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Tabview Youtube

把Youtube Videos中的評論及影片清單製作成Tabs

目前為 2023-01-10 提交的版本，檢視 最新版本。

  1. /*
  2.  
  3. MIT License
  4.  
  5. Copyright (c) 2021 cyfung1031
  6.  
  7. Permission is hereby granted, free of charge, to any person obtaining a copy
  8. of this software and associated documentation files (the "Software"), to deal
  9. in the Software without restriction, including without limitation the rights
  10. to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11. copies of the Software, and to permit persons to whom the Software is
  12. furnished to do so, subject to the following conditions:
  13.  
  14. The above copyright notice and this permission notice shall be included in all
  15. copies or substantial portions of the Software.
  16.  
  17. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18. IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19. FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20. AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21. LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22. OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23. SOFTWARE.
  24.  
  25. */
  26. // ==UserScript==
  27. // @name                  Tabview Youtube
  28. // @name:en               Tabview Youtube
  29. // @description           Make comments and lists into tabs for YouTube Videos
  30. // @description:en        Make comments and lists into tabs for YouTube Videos
  31. // @name:ja               Tabview Youtube
  32. // @description:ja        YouTube動画のコメントやリストなどをタブに作成します
  33. // @name:zh-TW            Tabview Youtube
  34. // @name:zh-CN            Tabview Youtube
  35. // @description:zh-TW     把Youtube Videos中的評論及影片清單製作成Tabs
  36. // @description:zh-CN     把Youtube Videos中的评论及视频列表制作成Tabs
  37. // @name:ru               Tabview Youtube
  38. // @description:ru        Сделайте описание, комментарии и список видео в виде вкладок для видео на YouTube
  39.  
  40. // @version               4.0.4
  41. // @resource              contentCSS    https://raw.githubusercontent.com/cyfung1031/Tabview-Youtube/9c3658925aae13ffec26c43a0718938ba331c9cc/css/style_content.css
  42. // @resource              injectionJS1  https://raw.githubusercontent.com/cyfung1031/Tabview-Youtube/9c3658925aae13ffec26c43a0718938ba331c9cc/js/injection_script_1.js
  43.  
  44. // @namespace             http://tampermonkey.net/
  45. // @author                CY Fung
  46. // @license               MIT
  47. // @supportURL            https://github.com/cyfung1031/Tabview-Youtube
  48. // @run-at                document-start
  49. // @match                 https://www.youtube.com/*
  50. // @exclude               /^https?://\S+\.(txt|png|jpg|jpeg|gif|xml|svg|manifest|log|ini)[^\/]*$/
  51. // @icon                  https://github.com/cyfung1031/Tabview-Youtube/raw/main/images/icon128p.png
  52.  
  53. // @compatible            edge Edge [Blink] >= 79;                      Tampermonkey (Beta) / Violetmonkey
  54. // @compatible            chrome Chrome >= 54;                          Tampermonkey (Beta) / Violetmonkey
  55. // @compatible            firefox FireFox / Waterfox (Classic) >= 55;   Tampermonkey / Violetmonkey
  56. // @compatible            opera Opera >= 41;                            Tampermonkey (Beta) / Violetmonkey
  57. // @compatible            safari Safari >= 12.1
  58.  
  59. // @grant                 GM_getResourceText
  60. // @noframes
  61. // ==/UserScript==
  62.  
  63. /* jshint esversion:8 */
  64.  
  65. function main(){
  66.     // MIT License
  67.     // https://github.com/cyfung1031/Tabview-Youtube/raw/main/js/content.js
  68.  
  69.  
  70.  
  71.  
  72.  
  73.  
  74.  
  75.  
  76.  
  77.  
  78.  
  79.  
  80.  
  81.  
  82.  
  83.  
  84.  
  85. "use strict";
  86. console.time("Tabview Youtube Init Script")
  87. -(function mainBody() {
  88.   'use strict';
  89.  
  90.   function inIframe() {
  91.     try {
  92.       return window.self !== window.top;
  93.     } catch (e) {
  94.       return true;
  95.     }
  96.   }
  97.  
  98.   if (inIframe()) return;
  99.  
  100.   //if (!$) return;
  101.  
  102.   /**
  103.    * SVG resources:
  104.    * <div>Icons made by <a href="https://www.flaticon.com/authors/smashicons" title="Smashicons">Smashicons</a> from <a href="https://www.flaticon.com/" title="Flaticon">www.flaticon.com</a></div>
  105.    */
  106.  
  107.   const scriptVersionForExternal = '2022/12/04';
  108.  
  109.   const isMyScriptInChromeRuntime = () => typeof GM === 'undefined' && typeof ((((window || 0).chrome || 0).runtime || 0).getURL) === 'function'
  110.  
  111.   // https://yqnn.github.io/svg-path-editor/
  112. // https://vecta.io/nano
  113.  
  114.   const svgComments = `<path d="M80 27H12A12 12 90 0 0 0 39v42a12 12 90 0 0 12 12h12v20a2 2 90 0 0 3.4 2L47 93h33a12 
  115.   12 90 0 0 12-12V39a12 12 90 0 0-12-12zM20 47h26a2 2 90 1 1 0 4H20a2 2 90 1 1 0-4zm52 28H20a2 2 90 1 1 0-4h52a2 2 90 
  116.   1 1 0 4zm0-12H20a2 2 90 1 1 0-4h52a2 2 90 1 1 0 4zm36-58H40a12 12 90 0 0-12 12v6h52c9 0 16 7 16 16v42h0v4l7 7a2 2 90 
  117.   0 0 3-1V71h2a12 12 90 0 0 12-12V17a12 12 90 0 0-12-12z"/>`.trim();
  118.  
  119.   const svgVideos = `<path d="M89 10c0-4-3-7-7-7H7c-4 0-7 3-7 7v70c0 4 3 7 7 7h75c4 0 7-3 7-7V10zm-62 2h13v10H27V12zm-9 
  120.   66H9V68h9v10zm0-56H9V12h9v10zm22 56H27V68h13v10zm-3-25V36c0-2 2-3 4-2l12 8c2 1 2 4 0 5l-12 8c-2 1-4 0-4-2zm25 
  121.   25H49V68h13v10zm0-56H49V12h13v10zm18 56h-9V68h9v10zm0-56h-9V12h9v10z"/>`.trim();
  122.  
  123.   const svgInfo = `<path d="M30 0C13.3 0 0 13.3 0 30s13.3 30 30 30 30-13.3 30-30S46.7 0 30 0zm6.2 46.6c-1.5.5-2.6 
  124.   1-3.6 1.3a10.9 10.9 0 0 1-3.3.5c-1.7 0-3.3-.5-4.3-1.4a4.68 4.68 0 0 1-1.6-3.6c0-.4.2-1 .2-1.5a20.9 20.9 90 0 1 
  125.   .3-2l2-6.8c.1-.7.3-1.3.4-1.9a8.2 8.2 90 0 0 .3-1.6c0-.8-.3-1.4-.7-1.8s-1-.5-2-.5a4.53 4.53 0 0 0-1.6.3c-.5.2-1 
  126.   .2-1.3.4l.6-2.1c1.2-.5 2.4-1 3.5-1.3s2.3-.6 3.3-.6c1.9 0 3.3.6 4.3 1.3s1.5 2.1 1.5 3.5c0 .3 0 .9-.1 1.6a10.4 10.4 
  127.   90 0 1-.4 2.2l-1.9 6.7c-.2.5-.2 1.1-.4 1.8s-.2 1.3-.2 1.6c0 .9.2 1.6.6 1.9s1.1.5 2.1.5a6.1 6.1 90 0 0 1.5-.3 9 9 90 
  128.   0 0 1.4-.4l-.6 2.2zm-3.8-35.2a1 1 0 010 8.6 1 1 0 010-8.6z"/>`.trim();
  129.  
  130.   const svgPlayList = `<path d="M0 3h12v2H0zm0 4h12v2H0zm0 4h8v2H0zm16 0V7h-2v4h-4v2h4v4h2v-4h4v-2z"/>`.trim();
  131.  
  132.   const svgDiag1 = `<svg stroke="currentColor" fill="none"><path d="M8 2h2v2M7 5l3-3m-6 8H2V8m0 2l3-3"/></svg>`;
  133.   const svgDiag2 = `<svg stroke="currentColor" fill="none"><path d="M7 3v2h2M7 5l3-3M5 9V7H3m-1 3l3-3"/></svg>`;
  134.  
  135.   const REMOVE_DUPLICATE_INFO = true;
  136.   const MINIVIEW_BROWSER_ENABLE = true;
  137.   const DEBUG_LOG = false;
  138.  
  139.   /*
  140.  
  141.   youtube page
  142.  
  143.     = Init::browse
  144.       yt-page-data-fetched
  145.       data-changed...
  146.       yt-page-data-updated
  147.       yt-navigate-finish
  148.       data-changed...
  149.       yt-watch-comments-ready
  150.     
  151.     = browse -> watch
  152.       yt-player-updated
  153.       yt-navigate
  154.       yt-navigate-start
  155.       yt-page-type-changed
  156.       yt-player-updated
  157.       yt-page-data-fetched
  158.       yt-navigate-finish
  159.       data-changed...
  160.       yt-page-data-updated
  161.       data-changed...
  162.       yt-watch-comments-ready
  163.       data-changed...
  164.  
  165.     = watch -> watch
  166.     = click video on meta panel // https://www.youtube.com/watch?v=UY5bp5CNhak; https://www.youtube.com/watch?v=m0WtnU8NVTo
  167.       yt-navigate
  168.       yt-navigate-start
  169.       data-changed
  170.       yt-player-updated
  171.       yt-page-data-fetched
  172.       yt-navigate-finish
  173.       data-changed...
  174.       yt-page-data-updated
  175.       data-changed...
  176.       yt-watch-comments-ready
  177.       data-changed...
  178.  
  179.     = watch -> browse (miniview)
  180.       yt-navigate-cache
  181.       yt-page-data-fetched
  182.       yt-page-type-changed
  183.       yt-page-data-updated
  184.       yt-navigate-finish
  185.  
  186.     = browse (miniview)  -> watch (Restore)
  187.       yt-navigate-cache
  188.       yt-page-data-fetched
  189.       yt-navigate-finish
  190.       yt-page-type-changed
  191.       yt-page-data-updated
  192.       data-changed...
  193.       yt-watch-comments-ready
  194.  
  195.     = watch -> search (miniview)
  196.       yt-navigate
  197.       yt-navigate-start
  198.       data-changed
  199.       yt-page-data-fetched
  200.       yt-page-type-changed
  201.       data-changed
  202.       yt-page-data-updated
  203.       yt-navigate-finish
  204.       data-changed...
  205.  
  206.     = Init::search
  207.       yt-page-data-fetched
  208.       data-changed
  209.       yt-page-data-updated
  210.       yt-navigate-finish
  211.       data-changed...
  212.       yt-watch-comments-ready
  213.  
  214.     = Init::watch
  215.       yt-page-data-fetched
  216.       yt-navigate-finish
  217.       data-changed...
  218.       yt-page-data-updated
  219.       data-changed...
  220.       yt-watch-comments-ready
  221.       yt-player-updated
  222.       data-changed...
  223.  
  224.     = watch -> watch (history back)
  225.       yt-player-updated
  226.       yt-page-data-fetched
  227.       yt-navigate-finish
  228.       data-changed...
  229.       yt-page-data-updated
  230.       data-changed...
  231.       yt-watch-comments-ready
  232.  
  233.     = watch -> click video time // https://www.youtube.com/watch?v=UY5bp5CNhak; https://www.youtube.com/watch?v=m0WtnU8NVTo
  234.       yt-navigate
  235.  
  236.   */
  237.  
  238.  
  239.  
  240.   const LAYOUT_VAILD = 1;
  241.  
  242.   const LAYOUT_TWO_COLUMNS = 2;
  243.   const LAYOUT_THEATER = 4;
  244.   const LAYOUT_FULLSCREEN = 8;
  245.   const LAYOUT_CHATROOM = 16;
  246.   const LAYOUT_CHATROOM_COLLAPSED = 32;
  247.   const LAYOUT_TAB_EXPANDED = 64;
  248.   const LAYOUT_ENGAGEMENT_PANEL_EXPAND = 128;
  249.   const LAYOUT_CHATROOM_EXPANDED = 256;
  250.  
  251.   const nonCryptoRandStr_base = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
  252.  
  253.   const nullFunc = function () { };
  254.  
  255.  
  256.   const iframeCSS = (() => {
  257.     
  258.     return `
  259.   body {
  260.       --tabview-msg-cursor: default;
  261.       --tabview-msg-pointer-events: none;
  262.       --tabview-img-pointer-events: auto;
  263.   }
  264.   
  265.   body.tabview-allow-pointer-events {
  266.       --tabview-msg-cursor: '-NULL-';
  267.       --tabview-msg-pointer-events: '-NULL-';
  268.       --tabview-img-pointer-events: '-NULL-';
  269.   }
  270.   
  271.   body #input-panel.yt-live-chat-renderer::after {
  272.       background: transparent;
  273.   }
  274.   
  275.   .style-scope.yt-live-chat-item-list-renderer {
  276.       box-sizing: border-box;
  277.   }
  278.   
  279.   yt-live-chat-text-message-renderer:nth-last-child(-n+30):hover #menu.yt-live-chat-text-message-renderer {
  280.       transition-delay: 87ms;
  281.   }
  282.   
  283.   yt-live-chat-text-message-renderer #menu.yt-live-chat-text-message-renderer {
  284.       transition-delay: 1ms;
  285.   }
  286.   
  287.   #item.style-scope.yt-live-chat-item-list-renderer,
  288.   #item-scroller.style-scope.yt-live-chat-item-list-renderer {
  289.       transition-delay: 42ms;
  290.   }
  291.   
  292.   yt-live-chat-item-list-renderer img[alt] {
  293.       pointer-events: auto;
  294.   }
  295.   
  296.   body yt-live-chat-item-list-renderer img[alt]~tp-yt-paper-tooltip,
  297.   body yt-live-chat-item-list-renderer #image~tp-yt-paper-tooltip {
  298.       --paper-tooltip-delay-in: 120ms !important;
  299.       white-space: nowrap;
  300.   }
  301.   
  302.   #items.style-scope.yt-live-chat-item-list-renderer>yt-live-chat-text-message-renderer.yt-live-chat-item-list-renderer {
  303.       --tabview-chat-message-display: block;
  304.       --tabview-chat-message-mt: 2px;
  305.       --tabview-chat-message-mb: 4px;
  306.   }
  307.   
  308.   #message.yt-live-chat-text-message-renderer {
  309.       display: var(--tabview-chat-message-display);
  310.       margin-top: var(--tabview-chat-message-mt);
  311.       margin-bottom: var(--tabview-chat-message-mb);
  312.   }
  313.   
  314.   [collapsed] #message.yt-live-chat-text-message-renderer {
  315.       --tabview-chat-message-display: 'VOID';
  316.       --tabview-chat-message-mt: 'VOID';
  317.       --tabview-chat-message-mb: 'VOID';
  318.   }
  319.   
  320.   
  321.   @supports (contain: layout paint style) {
  322.  
  323.     /*
  324.     contain: layout paint style;
  325.     // #item-offset uses transform, it is buggy in Opera 93.0 with contain: layout & paint
  326.     */
  327.  
  328.     body yt-live-chat-app {
  329.         contain: size layout paint style;
  330.         /* content-visibility: auto; */
  331.         transform: translate3d(0, 0, 0);
  332.         overflow: hidden;
  333.     }
  334.  
  335.     #items.style-scope.yt-live-chat-item-list-renderer{
  336.         contain: layout paint style;
  337.     }
  338.  
  339.     #item-offset.style-scope.yt-live-chat-item-list-renderer {
  340.         contain: style;
  341.     }
  342.  
  343.     #item-scroller.style-scope.yt-live-chat-item-list-renderer {
  344.         contain: size style;
  345.     }
  346.  
  347.     #contents.style-scope.yt-live-chat-item-list-renderer,
  348.     #chat.style-scope.yt-live-chat-renderer,
  349.     img.style-scope.yt-img-shadow[width][height] {
  350.         contain: size layout paint style;
  351.     }
  352.  
  353.     .style-scope.yt-live-chat-ticker-renderer[role="button"][aria-label],
  354.     .style-scope.yt-live-chat-ticker-renderer[role="button"][aria-label]>#container {
  355.         contain: layout paint style;
  356.     }
  357.  
  358.  
  359.     yt-img-shadow#author-photo.style-scope {
  360.         contain: layout paint style;
  361.         /*
  362.         content-visibility: auto;
  363.         contain-intrinsic-size: 24px 24px;
  364.         */
  365.     }
  366.  
  367.     yt-live-chat-text-message-renderer:not([author-is-owner]) #author-photo.style-scope.yt-live-chat-text-message-renderer,
  368.     yt-live-chat-text-message-renderer:not([author-is-owner]) yt-live-chat-author-chip.style-scope.yt-live-chat-text-message-renderer {
  369.         pointer-events: var(--tabview-msg-pointer-events);
  370.     }
  371.  
  372.     yt-live-chat-text-message-renderer:not([author-is-owner]) span#message.style-scope.yt-live-chat-text-message-renderer>img.emoji.yt-formatted-string.style-scope.yt-live-chat-text-message-renderer {
  373.         cursor: var(--tabview-msg-cursor);
  374.     }
  375.  
  376.  
  377.     yt-live-chat-text-message-renderer:not([author-is-owner]) span#message.style-scope.yt-live-chat-text-message-renderer,
  378.     yt-live-chat-paid-message-renderer #message.yt-live-chat-paid-message-renderer,
  379.     yt-live-chat-text-message-renderer:not([author-is-owner]) #timestamp.style-scope.yt-live-chat-text-message-renderer,
  380.     yt-live-chat-membership-item-renderer #header-content.style-scope.yt-live-chat-membership-item-renderer,
  381.     yt-live-chat-membership-item-renderer #timestamp.style-scope.yt-live-chat-membership-item-renderer,
  382.     yt-live-chat-paid-message-renderer #header-content.yt-live-chat-paid-message-renderer,
  383.     yt-live-chat-paid-message-renderer #timestamp.style-scope.yt-live-chat-paid-message-renderer,
  384.     yt-live-chat-paid-sticker-renderer #content.style-scope.yt-live-chat-paid-sticker-renderer,
  385.     yt-live-chat-paid-sticker-renderer #timestamp.style-scope.yt-live-chat-paid-sticker-renderer {
  386.         cursor: var(--tabview-msg-cursor);
  387.         pointer-events: var(--tabview-msg-pointer-events);
  388.     }
  389.  
  390.     yt-live-chat-text-message-renderer.style-scope.yt-live-chat-item-list-renderer,
  391.     yt-live-chat-membership-item-renderer.style-scope.yt-live-chat-item-list-renderer,
  392.     yt-live-chat-paid-message-renderer.style-scope.yt-live-chat-item-list-renderer,
  393.     yt-live-chat-banner-manager.style-scope.yt-live-chat-item-list-renderer {
  394.         contain: layout style;
  395.     }
  396.  
  397.     tp-yt-paper-tooltip[style*="inset"][role="tooltip"] {
  398.         contain: layout paint style;
  399.     }
  400.  
  401.     /*
  402.     yt-live-chat-banner-renderer[collapsed] #contents, yt-live-chat-banner-renderer[collapsed] #contents * {
  403.  
  404.       content-visibility: visible !important;
  405.       contain: none !important;
  406.  
  407.     }
  408.     */
  409.  
  410.      
  411.     /* YouTube Native Bug - style="height:0px; translateY(0px);" */
  412.     yt-live-chat-banner-renderer[collapsed]:has(#contents[style*="0px;"][style*="translateY(0px);"]) #header.yt-live-chat-banner-renderer{
  413.       position:absolute;
  414.     }
  415.  
  416.     yt-live-chat-banner-renderer[collapsed]:has(#contents[style*="0px;"][style*="translateY(0px);"]) #contents.yt-live-chat-banner-renderer{
  417.       height:auto !important;
  418.       transform:initial !important;
  419.     }
  420.  
  421.   
  422.   }
  423.   
  424.   
  425.   #chat-messages tp-yt-iron-dropdown#dropdown.style-scope.tp-yt-paper-menu-button {
  426.       margin-right: var(--ytd-margin-12x);
  427.   }
  428.     `.trim();
  429.   });
  430.  
  431.  
  432.   let iframePointEventsAllow = false; // default to discard unnecessary mouse events for iframe
  433.  
  434.   let scriptEnable = false;
  435.  
  436.   let comments_loader = 0; // for comment count (might omit)
  437.  
  438.   let cmTime = 0;
  439.   const mTime = Date.now() - 152000000;
  440.  
  441.   //let lastScrollFetch = 0;
  442.   //let lastOffsetTop = 0;
  443.   let mtf_forceCheckLiveVideo_disable = 0;
  444.  
  445.   let tabsUiScript_setclick = false;
  446.   let pageFetchedData = null; // data object; for future use
  447.   let pageFetchedDataVideoId = null; // integer; for comment checking
  448.   let pageType = null; // pageType = 'watch', 'browse', 'playlist', ...
  449.   let chatroomDetails = null;
  450.   let switchTabActivity_lastTab = null
  451.  
  452.   let lstTab = null;
  453.  
  454.   let storeLastPanel = null; // WeakRef
  455.  
  456.  
  457.   let mtf_chatBlockQ = null; // for chat layout status change
  458.  
  459.   let enableHoverSliderDetection = false; // for hover slider
  460.  
  461.  
  462.   let firstLoadStatus = 2 | 8; // for page init
  463.  
  464.  
  465.   let m_last_count = ''; // for comment count
  466.  
  467.  
  468.  
  469.   let sVideosITO = null;
  470.  
  471.   /** @type {WeakRef | null} */
  472.   let ytdFlexy = null; // WeakRef
  473.  
  474.   const Q = {}
  475.   const settings = {
  476.     defaultTab: "#tab-videos"
  477.   };
  478.  
  479.   const STORE_VERSION = 1;
  480.   const STORE_key = 'userscript-tabview-settings';
  481.  
  482.   let fetchCounts = {
  483.     base: null,
  484.     new: null,
  485.     fetched: false,
  486.     count: null,
  487.   }
  488.  
  489.   let pageLang = 'en';
  490.   const langWords = {
  491.     'en': {
  492.       //'share':'Share',
  493.       'info': 'Info',
  494.       'videos': 'Videos',
  495.       'playlist': 'Playlist'
  496.     },
  497.     'jp': {
  498.       //'share':'共有',
  499.       'info': '情報',
  500.       'videos': '動画',
  501.       'playlist': '再生リスト'
  502.     },
  503.     'tw': {
  504.       //'share':'分享',
  505.       'info': '資訊',
  506.       'videos': '影片',
  507.       'playlist': '播放清單'
  508.     },
  509.     'cn': {
  510.       //'share':'分享',
  511.       'info': '资讯',
  512.       'videos': '视频',
  513.       'playlist': '播放列表'
  514.     },
  515.     'du': {
  516.       //'share':'Teilen',
  517.       'info': 'Info',
  518.       'videos': 'Videos',
  519.       'playlist': 'Playlist'
  520.     },
  521.     'fr': {
  522.       //'share':'Partager',
  523.       'info': 'Info',
  524.       'videos': 'Vidéos',
  525.       'playlist': 'Playlist'
  526.     },
  527.     'kr': {
  528.       //'share':'공유',
  529.       'info': '정보',
  530.       'videos': '동영상',
  531.       'playlist': '재생목록'
  532.     },
  533.     'ru': {
  534.       //'share':'Поделиться',
  535.       'info': 'Описание',
  536.       'videos': 'Видео',
  537.       'playlist': 'Плейлист'
  538.     }
  539.   };
  540.   const S_GENERAL_RENDERERS = ['YTD-TOGGLE-BUTTON-RENDERER', 'YTD-MENU-RENDERER']
  541.  
  542.   let globalHook_symbols = [];
  543.   let globalHook_hashs = {};
  544.  
  545.  
  546.   let singleColumnScrolling_dt = 0;
  547.  
  548.   let isStickyHeaderEnabled = false;
  549.  
  550.   let theater_mode_changed_dt = 0;
  551.   let detailsTriggerReset = false;
  552.  
  553.  
  554.   let isMakeHeaderFloatCalled = false;
  555.  
  556.   let _viTimeNum = 200;
  557.   let _updateTimeAccum = 0;
  558.  
  559.   /** @type {WeakMap<HTMLElement>} */
  560.   let loadedCommentsDT = new WeakMap();
  561.  
  562.  
  563.  
  564.   // for weakref variable management
  565.   const es = {
  566.     get ytdFlexy() {
  567.       /** @type { HTMLElement | null } */
  568.       let res = kRef(ytdFlexy);
  569.       return res;
  570.     },
  571.     get storeLastPanel() {
  572.       /** @type { HTMLElement | null } */
  573.       let res = kRef(storeLastPanel);
  574.       return res;
  575.     }
  576.   }
  577.  
  578.  
  579.   const _console = new Proxy(console, {
  580.     get(target, prop, receiver) {
  581.       if (!DEBUG_LOG && prop === 'log') {
  582.         return nullFunc
  583.       }
  584.       return Reflect.get(...arguments)
  585.     }
  586.   });
  587.  
  588.   let generalLog901 = !DEBUG_LOG ? 0 : (evt) => {
  589.     _console.log(901, evt.type)
  590.   }
  591.  
  592.   const isPassiveArgSupport = (typeof IntersectionObserver === 'function');
  593.   // https://caniuse.com/?search=observer
  594.   // https://caniuse.com/?search=addEventListener%20passive
  595.  
  596.   const bubblePassive = isPassiveArgSupport ? { capture: false, passive: true } : false;
  597.   const capturePassive = isPassiveArgSupport ? { capture: true, passive: true } : true;
  598.  
  599.  
  600.   /** @type { (str: string) => (HTMLElement | null) } */
  601.   const querySelectorFromAnchor = HTMLElement.prototype.querySelector; // nodeType==1 // since 2022/07/12
  602.  
  603.   /** @type { (str: string) => (NodeList) } */
  604.   const querySelectorAllFromAnchor = HTMLElement.prototype.querySelectorAll; // nodeType==1 // since 2022/07/12
  605.   const closestDOM = HTMLElement.prototype.closest;
  606.   //const elementRemove = HTMLElement.prototype.remove;
  607.   //const elementContains = HTMLElement.prototype.contains; // since 2022/07/12
  608.  
  609.  
  610.   /* globals WeakRef:false */
  611.  
  612.   /** @type {(o: Object | null) => WeakRef | null} */
  613.   const mWeakRef = typeof WeakRef === 'function' ? (o => o ? new WeakRef(o) : null) : (o => o || null); // typeof InvalidVar == 'undefined'
  614.  
  615.   /** @type {(wr: Object | null) => Object | null} */
  616.   const kRef = (wr => (wr && wr.deref) ? wr.deref() : wr);
  617.  
  618.  
  619.   function setTimeout3(f) {
  620.     Promise.race([new Promise(r => requestAnimationFrame(r)), new Promise(r => setTimeout(r, 300))]).then(f);
  621.   }
  622.  
  623.   const timeline = {
  624.     // after initialized (initObserver)
  625.     cn1: {},
  626.     cn2: {},
  627.     setTimeout( /** @type {TimerHandler} */ f,/** @type {number} */ d) {
  628.       let cid = setTimeout(f, d)
  629.       timeline.cn1[cid] = true
  630.       return cid;
  631.     },
  632.     clearTimeout(/** @type {number} */ cid) {
  633.       timeline.cn1[cid] = false; return clearTimeout(cid)
  634.     },
  635.     setInterval(/** @type {TimerHandler} */ f,/** @type {number} */ d) {
  636.       let cid = setInterval(f, d);
  637.       timeline.cn2[cid] = true
  638.       return cid;
  639.     },
  640.     clearInterval(/** @type {number} */ cid) {
  641.       timeline.cn2[cid] = false; return clearInterval(cid)
  642.     },
  643.     reset() {
  644.       for (let cid in timeline.cn1) timeline.cn1[cid] && clearTimeout(cid)
  645.       for (let cid in timeline.cn2) timeline.cn2[cid] && clearInterval(cid)
  646.       timeline.cn1 = {}
  647.       timeline.cn2 = {}
  648.     }
  649.   }
  650.  
  651.  
  652.   // function prettyElm(/** @type {Element} */ elm) {
  653.   //   if (!elm || !elm.nodeName) return null;
  654.   //   const eId = elm.id || null;
  655.   //   const eClsName = elm.className || null;
  656.   //   return [elm.nodeName.toLowerCase(), typeof eId == 'string' ? "#" + eId : '', typeof eClsName == 'string' ? '.' + eClsName.replace(/\s+/g, '.') : ''].join('').trim();
  657.   // }
  658.  
  659.   // function extractTextContent(/** @type {Node} */ elm) {
  660.   //   return elm.textContent.replace(/\s+/g, '').replace(/[^\da-zA-Z\u4E00-\u9FFF\u00C0-\u00FF\u00C0-\u02AF\u1E00-\u1EFF\u0590-\u05FF\u0400-\u052F\u0E00-\u0E7F\u0600-\u06FF\u0750-\u077F\u1100-\u11FF\u3130-\u318F\uAC00-\uD7AF\u3040-\u30FF\u31F0-\u31FF]/g, '')
  661.   // }
  662.  
  663.   function addScript(/** @type {string} */ scriptText) {
  664.     const scriptNode = document.createElement('script');
  665.     scriptNode.type = 'text/javascript';
  666.     scriptNode.textContent = scriptText;
  667.     try {
  668.       document.documentElement.appendChild(scriptNode);
  669.     } catch (e) {
  670.       console.log('addScript Error', e)
  671.     }
  672.     return scriptNode;
  673.   }
  674.  
  675.   function addScriptByURL(/** @type {string} */ scriptURL) {
  676.     const scriptNode = document.createElement('script');
  677.     scriptNode.type = 'text/javascript';
  678.     scriptNode.src = scriptURL;
  679.     try {
  680.       document.documentElement.appendChild(scriptNode);
  681.     } catch (e) {
  682.       console.log('addScriptByURL Error', e)
  683.     }
  684.     return scriptNode;
  685.   }
  686.  
  687.   function addStyle(/** @type {string} */ styleText, /** @type {HTMLElement | Document} */ container) {
  688.     const styleNode = document.createElement('style');
  689.     //styleNode.type = 'text/css';
  690.     styleNode.textContent = styleText;
  691.     (container || document.documentElement).appendChild(styleNode);
  692.     return styleNode;
  693.   }
  694.  
  695.  
  696.  
  697.   /*
  698.  
  699.   yt-action yt-add-element-to-app yt-autonav-pause-blur yt-autonav-pause-focus
  700. yt-autonav-pause-guide-closed yt-autonav-pause-guide-opened yt-autonav-pause-player
  701. yt-autonav-pause-player-ended yt-autonav-pause-scroll yt-autoplay-on-changed
  702. yt-close-tou-form yt-consent-bump-display-changed yt-focus-searchbox
  703. yt-get-context-provider yt-guide-close yt-guide-hover yt-guide-toggle
  704. yt-history-load yt-history-pop yt-load-invalidation-continuation
  705. yt-load-next-continuation yt-load-reload-continuation yt-load-tou-form
  706. yt-masthead-height-changed yt-navigate yt-navigate-cache yt-navigate-error
  707. yt-navigate-finish yt-navigate-redirect yt-navigate-set-page-offset
  708. yt-navigate-start yt-next-continuation-data-updated yt-open-hotkey-dialog
  709. yt-open-tou-form-loading-state yt-page-data-fetched yt-page-data-updated
  710. yt-page-data-will-update yt-page-manager-navigate-start yt-page-navigate-start
  711. yt-page-type-changed yt-player-attached yt-player-detached yt-player-released
  712. yt-player-requested yt-player-updated yt-popup-canceled yt-popup-closed
  713. yt-popup-opened yt-preconnect-urls yt-register-action yt-report-form-closed
  714. yt-report-form-opened yt-request-panel-mode-change yt-retrieve-location
  715. yt-service-request-completed yt-service-request-error yt-service-request-sent
  716. yt-set-theater-mode-enabled yt-show-survey yt-subscription-changed
  717. yt-swatch-changed yt-theater-mode-allowed yt-unregister-action yt-update-title
  718. yt-update-unseen-notification-count yt-viewport-scanned yt-visibility-refresh
  719.  
  720. */
  721.  
  722.  
  723.   _console.log(38489)
  724.  
  725.   class Session {
  726.     constructor(initValue) {
  727.       this.sid = initValue;
  728.     }
  729.     session() {
  730.       let pageSession = this;
  731.       let s = pageSession.sid; // inaccessible from external
  732.       return {
  733.         get isValid() {
  734.           return s === pageSession.sid;
  735.         }
  736.       };
  737.     }
  738.     set(newValue) {
  739.       this.sid = newValue;
  740.     }
  741.     inc() {
  742.       this.sid++;
  743.     }
  744.   }
  745.  
  746.   class Deferred {
  747.     constructor() {
  748.       this.reset();
  749.     }
  750.     debounce(f) {
  751.       return Promise.race([this.promise]).then(f).catch(console.warn); // avoid promise.then.then.then ...
  752.     }
  753.     d() {
  754.       return Promise.race([this.promise]).catch(console.warn);
  755.     }
  756.     reset() {
  757.       this.resolved = false;
  758.       this.promise = new Promise((resolve, reject) => {
  759.         //this.reject = reject
  760.         this._resolve = resolve
  761.       })
  762.     }
  763.     resolve() {
  764.       if (this._resolve === null) return null;
  765.       if (this.resolved !== false) return false;
  766.       this.resolved = true;
  767.       this._resolve(...arguments);
  768.       return true;
  769.     }
  770.   }
  771.  
  772.   class Mutex {
  773.  
  774.     constructor() {
  775.       this.p = Promise.resolve()
  776.     }
  777.  
  778.     lockWith(f) {
  779.  
  780.       this.p = this.p.then(() => {
  781.         return new Promise(f)
  782.       }).catch(console.warn)
  783.     }
  784.  
  785.   }
  786.  
  787.  
  788.  
  789.   /* FireMonkey unable to extend MutationObserver correctly */
  790.   class AttributeMutationObserver extends MutationObserver {
  791.     constructor(flist) {
  792.       super((mutations, observer) => {
  793.         for (const mutation of mutations) {
  794.           if (mutation.type === 'attributes') {
  795.             this.checker(mutation.target, mutation.attributeName)
  796.           }
  797.         }
  798.       })
  799.       this.flist = flist;
  800.       this.res = {}
  801.     }
  802.  
  803.     takeRecords() {
  804.       super.takeRecords();
  805.     }
  806.     disconnect() {
  807.       this._target = null;
  808.       super.disconnect();
  809.     }
  810.     observe(/** @type {Node} */ target) {
  811.       if (this._target) return;
  812.       //console.log(123124, target)
  813.       this._target = mWeakRef(target);
  814.  
  815.       //console.log(123125, kRef(this._target))
  816.       const options = {
  817.         attributes: true,
  818.         attributeFilter: Object.keys(this.flist),
  819.         //attributeFilter: [ "status", "username" ],
  820.         attributeOldValue: true
  821.       }
  822.       super.observe(target, options)
  823.     }
  824.     checker(/** @type {Node} */ target,/** @type {string} */ attributeName) {
  825.       let nv = target.getAttribute(attributeName);
  826.       if (this.res[attributeName] !== nv) {
  827.         this.res[attributeName] = nv
  828.         let f = this.flist[attributeName];
  829.         if (f) f(attributeName, nv);
  830.  
  831.       }
  832.     }
  833.     check(delay = 0) {
  834.       setTimeout(() => {
  835.         let target = kRef(this._target)
  836.         if (target !== null) {
  837.           for (const key of Object.keys(this.flist)) {
  838.             this.checker(target, key)
  839.           }
  840.         } else {
  841.           console.log('target is null') //disconnected??
  842.         }
  843.         target = null;
  844.       }, delay)
  845.     }
  846.   }
  847.  
  848.   let pageSession = new Session(0);
  849.   const tabsDeferred = new Deferred();
  850.   tabsDeferred.resolve();
  851.  
  852.   let layoutStatusMutex = new Mutex();
  853.  
  854.   let sliderMutex = new Mutex();
  855.   const renderDeferred = new Deferred(); //pageRendered
  856.   let pageRendered = 0;
  857.   let renderIdentifier = 0;
  858.  
  859.   const scriptletDeferred = new Deferred();
  860.  
  861.  
  862.   function scriptInjector(script_id, url_chrome, response_id) {
  863.  
  864.     let res = {
  865.       script_id: script_id,
  866.       inject: function () {
  867.  
  868.         let res = this, script_id = this.script_id;
  869.  
  870.         if (!document.querySelector(`script#${script_id}`)) {
  871.           if (res.runtime_url) {
  872.             addScriptByURL(res.runtime_url).id = script_id;
  873.           } else {
  874.             addScript(`${res.injection_script}`).id = script_id;
  875.           }
  876.         }
  877.  
  878.       }
  879.     }
  880.     res.script_id = script_id;
  881.  
  882.     if (isMyScriptInChromeRuntime()) {
  883.       res.runtime_url = window.chrome.runtime.getURL(url_chrome)
  884.     } else {
  885.       res.injection_script = GM_getResourceText(response_id);
  886.     }
  887.  
  888.     return res;
  889.  
  890.  
  891.   }
  892.  
  893.   const script_inject_js1 = scriptInjector(
  894.     'userscript-tabview-injection-1',
  895.     'js/injection_script_1.js',
  896.     "injectionJS1");
  897.  
  898.  
  899.   function nonCryptoRandStr(/** @type {number} */ n) {
  900.     const result = new Array(n);
  901.     const baseStr = nonCryptoRandStr_base;
  902.     const bLen = baseStr.length;
  903.     for (let i = 0; i < n; i++) {
  904.       let t = null
  905.       do {
  906.         t = baseStr.charAt(Math.floor(Math.random() * bLen));
  907.       } while (i === 0 && 10 - t > 0)
  908.       result[i] = t;
  909.     }
  910.     return result.join('');
  911.   }
  912.  
  913.   const uidMAP = new Map();
  914.  
  915.   function uidGEN(s) {
  916.     let uid = uidMAP.get(s);
  917.     if (!uid) {
  918.       const uidStore = ObserverRegister.uidStore;
  919.       do {
  920.         uid = nonCryptoRandStr(5);
  921.       } while (uidStore[uid])
  922.       uidMAP.set(s, uid);
  923.     }
  924.     return uid;
  925.   }
  926.  
  927.   /**
  928.    * Class definition
  929.    * @property {string} propName - propriety description
  930.    * ...
  931.    */
  932.   class ObserverRegister {
  933.  
  934.     constructor(/** @type {()=>MutationObserver | IntersectionObserver} */ observerCreator) {
  935.       let uid = null;
  936.       const uidStore = ObserverRegister.uidStore;
  937.       do {
  938.         uid = nonCryptoRandStr(5);
  939.       } while (uidStore[uid])
  940.       uidStore[uid] = true;
  941.  
  942.       /**
  943.        * uid is the unique string for each observer
  944.        * @type {string}
  945.        * @public
  946.        */
  947.       this.uid = uid;
  948.  
  949.       /**
  950.        * observerCreator is a function to create the observer
  951.        * @type {Function}
  952.        * @public
  953.        */
  954.       this.observerCreator = observerCreator
  955.  
  956.       /**
  957.        * observer is the actual observer object
  958.        * @type {MutationObserver | IntersectionObserver}
  959.        * @public
  960.        */
  961.       this.observer = null;
  962.       this.bindCount = 0;
  963.     }
  964.     bindElement(/** @type {HTMLElement} */ elm, ...args) {
  965.       if (elm.hasAttribute(`o3r-${this.uid}`)) return false;
  966.       elm.setAttribute(`o3r-${this.uid}`, '')
  967.       this.bindCount++;
  968.       if (this.observer === null) {
  969.         this.observer = this.observerCreator();
  970.       }
  971.       this.observer.observe(elm, ...args)
  972.       return true
  973.     }
  974.     clear(/** @type {boolean} */ flag) {
  975.       if (this.observer !== null) {
  976.         //const uidStore = ObserverRegister.uidStore;
  977.         if (flag === true) {
  978.           this.observer.takeRecords();
  979.           this.observer.disconnect();
  980.         }
  981.         this.observer = null;
  982.         this.bindCount = 0;
  983.         for (const s of document.querySelectorAll(`[o3r-${this.uid}]`)) s.removeAttribute(`o3r-${this.uid}`)
  984.         //uidStore[this.uid]=false;
  985.         //this.uid = null;
  986.       }
  987.     }
  988.   }
  989.  
  990.   /**
  991.  * 'uidStore' is the static store of strings used.
  992.  * @static
  993.  */
  994.   ObserverRegister.uidStore = {}; //backward compatible with FireFox 55.
  995.  
  996.  
  997.   const mtoObservationDetails = new ObserverRegister(() => {
  998.     return new IntersectionObserver(ito_details, {
  999.       root: null,
  1000.       rootMargin: "0px"
  1001.     })
  1002.   });
  1003.  
  1004.  
  1005.   const mtoFlexyAttr = new ObserverRegister(() => {
  1006.     return new MutationObserver(mtf_attrFlexy)
  1007.   });
  1008.  
  1009.   const mtoVisibility_EngagementPanel = new ObserverRegister(() => {
  1010.     return new MutationObserver(FP.mtf_attrEngagementPanel)
  1011.   });
  1012.  
  1013.   const mtoVisibility_Playlist = new ObserverRegister(() => {
  1014.     return new AttributeMutationObserver({
  1015.       "hidden": FP.mtf_attrPlaylist
  1016.     })
  1017.   })
  1018.   const sa_playlist = mtoVisibility_Playlist.uid;
  1019.  
  1020.   const mtoVisibility_Comments = new ObserverRegister(() => {
  1021.     return new AttributeMutationObserver({
  1022.       "hidden": FP.mtf_attrComments
  1023.     })
  1024.   })
  1025.   const sa_comments = mtoVisibility_Comments.uid;
  1026.  
  1027.  
  1028.   const mtoVisibility_Chatroom = new ObserverRegister(() => {
  1029.     return new AttributeMutationObserver({
  1030.       "collapsed": FP.mtf_attrChatroom
  1031.     })
  1032.   })
  1033.   const sa_chatroom = mtoVisibility_Chatroom.uid;
  1034.  
  1035.  
  1036.  
  1037.  
  1038.   function isDOMVisible(/** @type {HTMLElement} */ elem) {
  1039.     // jQuery version : https://github.com/jquery/jquery/blob/a684e6ba836f7c553968d7d026ed7941e1a612d8/src/css/hiddenVisibleSelectors.js
  1040.     return !!(elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length);
  1041.   }
  1042.  
  1043.   function isNonEmptyString(s) {
  1044.     return typeof s == 'string' && s.length > 0;
  1045.   }
  1046.  
  1047.  
  1048.   async function nativeCall(/** @type {EventTarget} */ dom, /** @type {any[]} */ detail) {
  1049.     //console.log(1231)
  1050.     dom.dispatchEvent(new CustomEvent("userscript-call-dom", { detail: detail }))
  1051.     //console.log(1232)
  1052.   }
  1053.  
  1054.   async function nativeFunc(/** @type {EventTarget} */ dom, /** @type {string} */ property, /** @type {any} */ args) {
  1055.     dom.dispatchEvent(new CustomEvent("userscript-call-dom-func", { detail: { property, args } }))
  1056.   }
  1057.  
  1058.   // async function nativeValue(dom, property, args) {
  1059.   //   dom.dispatchEvent(new CustomEvent("userscript-call-dom-value", { detail: { property, args } }))
  1060.   // }
  1061.   // async function nativeFuncStacked(/** @type {string} */ selector, /** @type {string} */ property, /** @type {any} */ args){
  1062.   //   document.dispatchEvent(new CustomEvent("userscript-call-dom-func-stacked", { detail: { selector, property, args } }))
  1063.   // }
  1064.   // async function nativeValueStacked(selector, property, args){
  1065.   //   document.dispatchEvent(new CustomEvent("userscript-call-dom-value-stacked", { detail: { selector, property, args } }))
  1066.   // }
  1067.   // async function nativeConstStacked(selector, property, args){
  1068.   //   document.dispatchEvent(new CustomEvent("userscript-call-dom-const-stacked", { detail: { selector, property, args } }))
  1069.   // }
  1070.  
  1071.   async function dispatchWindowResize() {
  1072.     // for youtube to detect layout resize for adjusting Player tools
  1073.     return window.dispatchEvent(new Event('resize'));
  1074.   }
  1075.  
  1076.   async function dispatchCommentRowResize() {
  1077.  
  1078.     if (pageType !== "watch") return;
  1079.  
  1080.     const ytdFlexyElm = es.ytdFlexy;
  1081.     if (!ytdFlexyElm) return;
  1082.     if (ytdFlexyElm.getAttribute('tyt-tab') !== '#tab-comments') return;
  1083.  
  1084.     scriptletDeferred.debounce(() => {
  1085.       document.dispatchEvent(new CustomEvent('tabview-resize-comments-rows'));
  1086.     })
  1087.  
  1088.  
  1089.   }
  1090.  
  1091.   function enterPIP(video) {
  1092.     if (video && typeof video.requestPictureInPicture === 'function' && isVideoPlaying(video)) {
  1093.       if (document.pictureInPictureElement === null && typeof document.exitPictureInPicture === 'function') {
  1094.         video.requestPictureInPicture().then(res => {
  1095.  
  1096.         }).catch(console.warn)
  1097.       }
  1098.     }
  1099.   }
  1100.  
  1101.   function exitPIP() {
  1102.     if (document.pictureInPictureElement !== null && typeof document.exitPictureInPicture === 'function') {
  1103.       document.exitPictureInPicture().then(res => {
  1104.  
  1105.       }).catch(console.warn)
  1106.     }
  1107.   }
  1108.  
  1109.   function setToggleBtnTxt() {
  1110.  
  1111.     if (chatroomDetails) {
  1112.       _console.log(124234, 'c=== ')
  1113.  
  1114.       let chat = document.querySelector('ytd-live-chat-frame#chat');
  1115.       if (!chat) return;
  1116.       let txt = querySelectorFromAnchor.call(chat, 'span.yt-core-attributed-string[role="text"]');
  1117.       let c = (txt || 0).textContent;
  1118.  
  1119.       if (typeof c === 'string' && c.length > 2) {
  1120.         if (chat.hasAttribute('collapsed')) {
  1121.           _console.log(124234, 'collapsed show expand ', chatroomDetails.txt_expand)
  1122.           if (c !== chatroomDetails.txt_expand) {
  1123.             txt.textContent = chatroomDetails.txt_expand;
  1124.           }
  1125.         } else {
  1126.           _console.log(124234, 'not collapsed show collapse ', chatroomDetails.txt_collapse)
  1127.           if (c !== chatroomDetails.txt_collapse) {
  1128.             txt.textContent = chatroomDetails.txt_collapse;
  1129.           }
  1130.         }
  1131.       }
  1132.     }
  1133.   }
  1134.  
  1135.  
  1136.   function handlerTabExpanderClick() {
  1137.  
  1138.     async function b() {
  1139.  
  1140.       let h1 = document.documentElement.clientHeight;
  1141.       let h2 = (document.querySelector('#right-tabs') || 0).clientHeight;
  1142.  
  1143.       await Promise.resolve(0);
  1144.       if (h1 > 300 && h2 > 300) {
  1145.         let ratio = h2 / h1; // positive below 1.0
  1146.  
  1147.         return ratio;
  1148.       }
  1149.       return 0;
  1150.     }
  1151.  
  1152.     async function a() {
  1153.  
  1154.  
  1155.       let secondary = document.querySelector('#secondary.ytd-watch-flexy');
  1156.       if (secondary) {
  1157.  
  1158.  
  1159.         if (!secondary.classList.contains('tabview-hover-slider-enable')) {
  1160.  
  1161.           let secondaryInner = querySelectorFromAnchor.call(secondary, '#secondary-inner.ytd-watch-flexy');
  1162.  
  1163.           if (secondaryInner) {
  1164.  
  1165.             if (!secondary.classList.contains('tabview-hover-slider')) {
  1166.               // without hover
  1167.  
  1168.               //let rect = secondary.getBoundingClientRect();
  1169.               //let rectI = secondaryInner.getBoundingClientRect();
  1170.  
  1171.               secondaryInner.style.setProperty('--tabview-slider-right', `${getSecondaryInnerRight()}px`)
  1172.  
  1173.             }
  1174.  
  1175.             let ratio = await b();
  1176.             if (ratio > 0.0 && ratio <= 1.0) {
  1177.  
  1178.               secondaryInner.style.setProperty('--ytd-watch-flexy-sidebar-width-d', `${Math.round(100 * ratio * 10) / 10}vw`);
  1179.               secondary.classList.add('tabview-hover-slider');
  1180.               secondary.classList.add('tabview-hover-slider-enable');
  1181.  
  1182.               let video = document.querySelector('#player video');
  1183.               enterPIP(video);
  1184.  
  1185.             }
  1186.  
  1187.           }
  1188.  
  1189.  
  1190.         } else {
  1191.  
  1192.  
  1193.           secondary.dispatchEvent(new CustomEvent("tabview-hover-slider-restore"));
  1194.           //console.log(1994)
  1195.  
  1196.         }
  1197.  
  1198.         // no animation event triggered for hover -> enable
  1199.         dispatchCommentRowResize();
  1200.  
  1201.       }
  1202.  
  1203.  
  1204.  
  1205.     }
  1206.  
  1207.  
  1208.     a();
  1209.  
  1210.  
  1211.   }
  1212.  
  1213.   let global_columns_end_ito = null;
  1214.  
  1215.   function setupHoverSlider(secondary, columns) {
  1216.  
  1217.     if (!secondary || !columns) return;
  1218.     let attrName = `o4r-${uidGEN('tabview-hover-slider-restore')}`;
  1219.  
  1220.     if (secondary.hasAttribute(attrName)) return;
  1221.     secondary.setAttribute(attrName, '');
  1222.  
  1223.     let elmB = document.querySelector('tabview-view-secondary-xpander');
  1224.     if (!elmB) {
  1225.       elmB = document.createElement('tabview-view-secondary-xpander');
  1226.       prependTo(elmB, secondary);
  1227.     }
  1228.  
  1229.     let elmA = document.querySelector('tabview-view-columns-endpos');
  1230.     if (elmA) elmA.remove();
  1231.     elmA = document.createElement('tabview-view-columns-endpos');
  1232.  
  1233.     let itoA = new IntersectionObserver((entries) => {
  1234.       let t = null;
  1235.       let w = enableHoverSliderDetection
  1236.       for (const entry of entries) {
  1237.         if (entry.rootBounds === null) continue;
  1238.         let bcr = entry.boundingClientRect;
  1239.         let rb = entry.rootBounds;
  1240.         t = !entry.isIntersecting && (bcr.left > rb.right) && (rb.left <= 0);
  1241.         // if entries.length>1 (unlikely); take the last intersecting
  1242.         // supplement cond 1. ensure the col element is in the right side
  1243.         // supplement cond 2. ensure column is wide enough for overflow checking
  1244.         // it can also avoid if the layout change happened but attribute not yet changed during the intersection observation
  1245.       }
  1246.  
  1247.       let columns = document.querySelector('#columns.style-scope.ytd-watch-flexy');
  1248.       if (columns) columns.classList.toggle('tyt-column-overflow', t);
  1249.  
  1250.       if (w !== t && t !== null) {
  1251.         // t can be true when the layout enters single column mode
  1252.         enableHoverSliderDetection = t;
  1253.       }
  1254.       //console.log(entries, enableHoverSliderDetection, t)
  1255.     })
  1256.     columns.appendChild(elmA); // append to dom first before observe
  1257.     if ((wls.layoutStatus & LAYOUT_TWO_COLUMNS) === LAYOUT_TWO_COLUMNS) {
  1258.       //to trigger observation at the time layout being changed
  1259.       itoA.observe(elmA);
  1260.     }
  1261.     global_columns_end_ito = itoA;
  1262.  
  1263.  
  1264.     secondary.addEventListener('tabview-hover-slider-restore', function (evt) {
  1265.  
  1266.       let secondary = evt.target;
  1267.  
  1268.       if (!secondary.classList.contains('tabview-hover-slider-enable')) return;
  1269.  
  1270.       let secondaryInner = querySelectorFromAnchor.call(secondary, '#secondary-inner.ytd-watch-flexy')
  1271.  
  1272.       if (!secondaryInner) return;
  1273.  
  1274.       if (secondary.classList.contains('tabview-hover-slider-hover')) {
  1275.  
  1276.         Promise.resolve(0).then(() => {
  1277.           secondaryInner.style.removeProperty('--ytd-watch-flexy-sidebar-width-d');
  1278.         }).then(() => {
  1279.           secondary.classList.remove('tabview-hover-slider-enable')
  1280.           exitPIP();
  1281.         })
  1282.  
  1283.       } else {
  1284.  
  1285.         let secondary = evt.target;
  1286.         secondary.classList.remove('tabview-hover-slider')
  1287.         secondary.classList.remove('tabview-hover-slider-enable')
  1288.  
  1289.         secondaryInner.style.removeProperty('--ytd-watch-flexy-sidebar-width-d');
  1290.         secondaryInner.style.removeProperty('--tabview-slider-right')
  1291.  
  1292.         exitPIP();
  1293.  
  1294.       }
  1295.  
  1296.       setTimeout(() => {
  1297.         updateFloatingSlider()
  1298.       }, 30);
  1299.  
  1300.     }, false);
  1301.  
  1302.   }
  1303.  
  1304.   function addTabExpander(tabContent) {
  1305.  
  1306.     if (!tabContent) return null;
  1307.     let id = tabContent.id;
  1308.     if (!id || typeof id !== 'string') return null;
  1309.  
  1310.     if (querySelectorFromAnchor.call(tabContent, `#${id} > tabview-view-tab-expander`)) return false;
  1311.  
  1312.     let elm = document.createElement('tabview-view-tab-expander')
  1313.     prependTo(elm, tabContent);
  1314.     elm.innerHTML = `<div>${svgElm(16, 16, 12, 12, svgDiag1, 'svg-expand')}${svgElm(16, 16, 12, 12, svgDiag2, 'svg-collapse')}</div>`
  1315.     elm.addEventListener('click', handlerTabExpanderClick, false);
  1316.     return true;
  1317.  
  1318.   }
  1319.  
  1320.   function getColumnOverflowWidth() {
  1321.  
  1322.     let screenWidth = document.documentElement.getBoundingClientRect().width;
  1323.  
  1324.     let posElm1 = document.querySelector('#secondary.style-scope.ytd-watch-flexy + tabview-view-columns-endpos');
  1325.  
  1326.     if (posElm1) {
  1327.  
  1328.       let offset = posElm1.getBoundingClientRect().x - screenWidth;
  1329.       return offset
  1330.  
  1331.     }
  1332.     return null
  1333.   }
  1334.  
  1335.   function getSecondaryInnerRight() {
  1336.  
  1337.     let posElm1 = document.querySelector('#secondary.style-scope.ytd-watch-flexy + tabview-view-columns-endpos');
  1338.  
  1339.     let posElm2 = document.querySelector('#secondary.style-scope.ytd-watch-flexy > tabview-view-secondary-xpander');
  1340.  
  1341.     if (posElm1 && posElm2) {
  1342.  
  1343.       let offset = posElm1.getBoundingClientRect().x - posElm2.getBoundingClientRect().right;
  1344.       return offset
  1345.  
  1346.     }
  1347.     return null
  1348.  
  1349.   }
  1350.  
  1351.   const setFloatingSliderOffset = (secondaryInner) => {
  1352.  
  1353.  
  1354.     let posElm1 = document.querySelector('#secondary.style-scope.ytd-watch-flexy + tabview-view-columns-endpos');
  1355.  
  1356.     let posElm2 = document.querySelector('#secondary.style-scope.ytd-watch-flexy > tabview-view-secondary-xpander');
  1357.  
  1358.     if (posElm1 && posElm2) {
  1359.  
  1360.       let offset = getColumnOverflowWidth();
  1361.  
  1362.       let k = 1.0
  1363.       if (offset >= 125) {
  1364.         k = 1.0
  1365.       } else if (offset >= 75) {
  1366.         k = 1.0;
  1367.       } else if (offset >= 25) {
  1368.         k = 0.25;
  1369.       } else {
  1370.         k = 0.0
  1371.       }
  1372.       secondaryInner.style.setProperty('--tabview-slider-offset-k2', `${k}`);
  1373.       secondaryInner.style.setProperty('--tabview-slider-offset', `${offset}px`) // unnecessary 
  1374.  
  1375.       let oriWidth = posElm2.getBoundingClientRect().width;
  1376.       secondaryInner.style.setProperty('--tabview-slider-ow', `${oriWidth}px`)
  1377.  
  1378.       let s1 = 'var(--ytd-watch-flexy-sidebar-width-d)';
  1379.       // new width 
  1380.  
  1381.       let s2 = `var(--tabview-slider-ow)`;
  1382.       // ori width - youtube changing the code -> not reliable to use css prop.
  1383.  
  1384.       let s3 = `${offset}px`;
  1385.       // how many px wider than the page
  1386.  
  1387.       secondaryInner.style.setProperty('--tabview-slider-offset-actual', `calc(${s1} - ${s2} + ${s3})`)
  1388.  
  1389.     }
  1390.  
  1391.   }
  1392.  
  1393.   async function updateFloatingSlider_A(secondaryInner) {
  1394.  
  1395.     // [is-extra-wide-video_]
  1396.  
  1397.     await new Promise(r => setTimeout(r, 30)); // time allowed for dom changes and value change of enableHoverSliderDetection    
  1398.  
  1399.     let secondary = secondaryInner.parentNode;
  1400.     if (!secondary) return;
  1401.  
  1402.     if (secondary.classList.contains('tabview-hover-slider-enable')) {
  1403.       return;
  1404.     }
  1405.  
  1406.     if (!secondary.matches('#columns.ytd-watch-flexy #primary.ytd-watch-flexy ~ #secondary.ytd-watch-flexy')) {
  1407.       return;
  1408.     }
  1409.  
  1410.     const bool = enableHoverSliderDetection === true;
  1411.     const hasClassHover = secondary.classList.contains('tabview-hover-slider-hover') === true;
  1412.  
  1413.     if (bool || hasClassHover) {
  1414.     } else {
  1415.       return;
  1416.     }
  1417.  
  1418.     await Promise.resolve(0);
  1419.  
  1420.     secondary.classList.add('tabview-hover-final')
  1421.  
  1422.     if (hasClassHover && !bool) {
  1423.       secondaryInner.style.removeProperty('--tabview-slider-right')
  1424.       secondaryInner.style.removeProperty('--tabview-slider-offset')
  1425.     } else {
  1426.  
  1427.       if (!hasClassHover) {
  1428.         secondaryInner.style.setProperty('--tabview-slider-right', `${getSecondaryInnerRight()}px`)
  1429.       }
  1430.  
  1431.       setFloatingSliderOffset(secondaryInner);
  1432.     }
  1433.  
  1434.     if (bool ^ hasClassHover) {
  1435.       secondary.classList.toggle('tabview-hover-slider', bool)
  1436.       secondary.classList.toggle('tabview-hover-slider-hover', bool)
  1437.     }
  1438.  
  1439.     await Promise.resolve(0);
  1440.  
  1441.  
  1442.     setTimeout(() => {
  1443.       secondary.classList.remove('tabview-hover-final')
  1444.     }, 350)
  1445.  
  1446.  
  1447.   }
  1448.  
  1449.  
  1450.   function updateFloatingSlider() {
  1451.  
  1452.     let secondaryInner = document.querySelector('ytd-watch-flexy[flexy][is-two-columns_] #secondary-inner.ytd-watch-flexy')
  1453.  
  1454.     if (!secondaryInner) return;
  1455.  
  1456.     let secondary = secondaryInner.parentNode;
  1457.     if (!secondary) return;
  1458.  
  1459.     if (secondary.classList.contains('tabview-hover-slider-enable')) {
  1460.       return;
  1461.     }
  1462.  
  1463.     let t = document.documentElement.clientWidth; //integer
  1464.  
  1465.     sliderMutex.lockWith(unlock => {
  1466.  
  1467.       let v = document.documentElement.clientWidth; //integer
  1468.  
  1469.       if (t === v && secondaryInner.matches('body ytd-watch-flexy[flexy][is-two-columns_] #secondary-inner.ytd-watch-flexy')) {
  1470.  
  1471.         updateFloatingSlider_A(secondaryInner).then(unlock);
  1472.       } else {
  1473.         unlock();
  1474.       }
  1475.  
  1476.     })
  1477.  
  1478.   }
  1479.  
  1480.  
  1481.   function setToActiveTab(defaultTab) {
  1482.     if (isTheater() && isWideScreenWithTwoColumns()) return;
  1483.     const jElm = document.querySelector(`a[tyt-tab-content="${switchTabActivity_lastTab}"]:not(.tab-btn-hidden)`) ||
  1484.       document.querySelector(`a[tyt-tab-content="${(defaultTab || settings.defaultTab)}"]:not(.tab-btn-hidden)`) ||
  1485.       document.querySelector("a[tyt-tab-content]:not(.tab-btn-hidden)") ||
  1486.       null;
  1487.  
  1488.     switchTabActivity(jElm);
  1489.     return !!jElm;
  1490.   }
  1491.  
  1492.   let skipPopupChatChecking = true
  1493.  
  1494.   function layoutStatusChanged(/** @type {number} */ old_layoutStatus, /** @type {number} */ new_layoutStatus) {
  1495.  
  1496.  
  1497.     if ((new_layoutStatus & LAYOUT_TWO_COLUMNS) === 0) makeHeaderFloat();
  1498.  
  1499.     //if (old_layoutStatus === new_layoutStatus) return;
  1500.  
  1501.     const cssElm = es.ytdFlexy;
  1502.  
  1503.     if (!cssElm) return;
  1504.  
  1505.  
  1506.     const BF_TWOCOL_N_THEATER = LAYOUT_TWO_COLUMNS | LAYOUT_THEATER
  1507.  
  1508.     let new_isExpandedChat = !!(new_layoutStatus & LAYOUT_CHATROOM_EXPANDED)
  1509.     let new_isCollapsedChat = !!(new_layoutStatus & LAYOUT_CHATROOM_COLLAPSED) && !!(new_layoutStatus & LAYOUT_CHATROOM)
  1510.  
  1511.     let new_isTabExpanded = !!(new_layoutStatus & LAYOUT_TAB_EXPANDED);
  1512.     let new_isFullScreen = !!(new_layoutStatus & LAYOUT_FULLSCREEN);
  1513.     let new_isExpandEPanel = !!(new_layoutStatus & LAYOUT_ENGAGEMENT_PANEL_EXPAND);
  1514.  
  1515.  
  1516.     function showTabOrChat() {
  1517.  
  1518.       layoutStatusMutex.lockWith(unlock => {
  1519.  
  1520.         if (lstTab.lastPanel == '#chatroom') {
  1521.  
  1522.           if (new_isTabExpanded) switchTabActivity(null)
  1523.           if (!new_isExpandedChat) ytBtnExpandChat();
  1524.  
  1525.         } else if (lstTab.lastPanel && lstTab.lastPanel.indexOf('#engagement-panel-') == 0) {
  1526.  
  1527.           if (new_isTabExpanded) switchTabActivity(null)
  1528.           if (!new_isExpandEPanel) ytBtnOpenEngagementPanel(lstTab.lastPanel);
  1529.  
  1530.         } else {
  1531.  
  1532.           if (new_isExpandedChat) ytBtnCollapseChat()
  1533.           if (!new_isTabExpanded) { setToActiveTab(); }
  1534.  
  1535.         }
  1536.  
  1537.         timeline.setTimeout(unlock, 40);
  1538.  
  1539.       })
  1540.     }
  1541.  
  1542.     function hideTabAndChat() {
  1543.  
  1544.       layoutStatusMutex.lockWith(unlock => {
  1545.  
  1546.         if (new_isTabExpanded) switchTabActivity(null)
  1547.         if (new_isExpandedChat) ytBtnCollapseChat()
  1548.         if (new_isExpandEPanel) ytBtnCloseEngagementPanels();
  1549.  
  1550.  
  1551.         timeline.setTimeout(unlock, 40);
  1552.  
  1553.       })
  1554.  
  1555.     }
  1556.  
  1557.     const statusCollapsedFalse = !!(new_layoutStatus & (LAYOUT_TAB_EXPANDED | LAYOUT_ENGAGEMENT_PANEL_EXPAND | LAYOUT_CHATROOM_EXPANDED))
  1558.     const statusCollapsedTrue = !statusCollapsedFalse
  1559.  
  1560.  
  1561.     let changes = (old_layoutStatus & LAYOUT_VAILD) ? old_layoutStatus ^ new_layoutStatus : 0;
  1562.  
  1563.     let chat_collapsed_changed = !!(changes & LAYOUT_CHATROOM_COLLAPSED)
  1564.     let chat_expanded_changed = !!(changes & LAYOUT_CHATROOM_EXPANDED)
  1565.     let tab_expanded_changed = !!(changes & LAYOUT_TAB_EXPANDED)
  1566.     let theater_mode_changed = !!(changes & LAYOUT_THEATER)
  1567.     let column_mode_changed = !!(changes & LAYOUT_TWO_COLUMNS)
  1568.     let fullscreen_mode_changed = !!(changes & LAYOUT_FULLSCREEN)
  1569.     let epanel_expanded_changed = !!(changes & LAYOUT_ENGAGEMENT_PANEL_EXPAND)
  1570.  
  1571.     _console.log(8221, 1, chat_collapsed_changed, chat_expanded_changed, tab_expanded_changed, theater_mode_changed, column_mode_changed, fullscreen_mode_changed, epanel_expanded_changed)
  1572.  
  1573.  
  1574.     //console.log(169, 1, chat_collapsed_changed, tab_expanded_changed)
  1575.     //console.log(169, 2, new_isExpandedChat, new_isCollapsedChat, new_isTabExpanded)
  1576.  
  1577.     let BF_LayoutCh_Panel = (changes & (LAYOUT_TAB_EXPANDED | LAYOUT_CHATROOM_EXPANDED | LAYOUT_ENGAGEMENT_PANEL_EXPAND))
  1578.     let tab_change = BF_LayoutCh_Panel;
  1579.     let isChatOrTabExpandTriggering = !!((new_layoutStatus) & BF_LayoutCh_Panel);
  1580.     let isChatOrTabCollaspeTriggering = !!((~new_layoutStatus) & BF_LayoutCh_Panel);
  1581.  
  1582.  
  1583.     let moreThanOneShown = (new_isTabExpanded + new_isExpandedChat + new_isExpandEPanel) > 1
  1584.  
  1585.     // two column; not theater; tab collapse; chat expand; ep expand
  1586.     const IF_01a = LAYOUT_TWO_COLUMNS | LAYOUT_THEATER | LAYOUT_TAB_EXPANDED | LAYOUT_CHATROOM | LAYOUT_CHATROOM_COLLAPSED | LAYOUT_ENGAGEMENT_PANEL_EXPAND;
  1587.     const IF_01b = LAYOUT_TWO_COLUMNS | 0 | 0 | LAYOUT_CHATROOM | 0 | LAYOUT_ENGAGEMENT_PANEL_EXPAND;
  1588.  
  1589.  
  1590.     // two column; not theater;
  1591.     const IF_02a = BF_TWOCOL_N_THEATER;
  1592.     const IF_02b = LAYOUT_TWO_COLUMNS;
  1593.  
  1594.     // two column; not theater; tab expand; chat expand; 
  1595.     const IF_03a = LAYOUT_TWO_COLUMNS | LAYOUT_THEATER | LAYOUT_TAB_EXPANDED | LAYOUT_CHATROOM | LAYOUT_CHATROOM_COLLAPSED;
  1596.     const IF_03b = LAYOUT_TWO_COLUMNS | 0 | LAYOUT_TAB_EXPANDED | LAYOUT_CHATROOM | 0;
  1597.  
  1598.  
  1599.     // two column; tab expand; chat expand; 
  1600.     const IF_06a = LAYOUT_TWO_COLUMNS | LAYOUT_TAB_EXPANDED | LAYOUT_CHATROOM | LAYOUT_CHATROOM_COLLAPSED;
  1601.     const IF_06b = LAYOUT_TWO_COLUMNS | LAYOUT_TAB_EXPANDED | LAYOUT_CHATROOM | 0;
  1602.  
  1603.  
  1604.     // two column; theater;
  1605.     const IF_04a = BF_TWOCOL_N_THEATER;
  1606.     const IF_04b = BF_TWOCOL_N_THEATER;
  1607.  
  1608.     // not fullscreen; two column; not theater; not tab expand; not EP expand; not expand chat
  1609.     const IF_05a = LAYOUT_FULLSCREEN | LAYOUT_TWO_COLUMNS | LAYOUT_THEATER | LAYOUT_TAB_EXPANDED | LAYOUT_ENGAGEMENT_PANEL_EXPAND | LAYOUT_CHATROOM_EXPANDED;
  1610.     const IF_05b = 0 | LAYOUT_TWO_COLUMNS | 0 | 0 | 0 | 0;
  1611.  
  1612.     let _isChatPopupedF = null
  1613.     let isChatPopupedF = ()=>{
  1614.       return _isChatPopupedF===null ? ( _isChatPopupedF = cssElm.classList.contains('tyt-chat-popup') ) : _isChatPopupedF
  1615.     }
  1616.  
  1617.     if (new_isFullScreen) {
  1618.  
  1619.  
  1620.       if (tab_change == LAYOUT_CHATROOM_EXPANDED && (new_layoutStatus & IF_06a) === IF_06b && statusCollapsedFalse && !column_mode_changed) {
  1621.  
  1622.         // two column; tab expand; chat expand; 
  1623.  
  1624.         switchTabActivity(null);
  1625.  
  1626.       }
  1627.  
  1628.       if (!!(tab_change & LAYOUT_CHATROOM_EXPANDED) && new_isExpandedChat) {
  1629.         //tab_change = LAYOUT_CHATROOM_EXPANDED
  1630.         //tab_change = LAYOUT_CHATROOM_EXPANDED|LAYOUT_TAB_EXPANDED
  1631.  
  1632.  
  1633.         timeline.setTimeout(() => {
  1634.           let scrollElement = document.querySelector('ytd-app[scrolling]')
  1635.           if (!scrollElement) return;
  1636.           // single column view; click button; scroll to tab content area 100%
  1637.           let chatFrame = document.querySelector('ytd-live-chat-frame#chat');
  1638.           if (chatFrame && isChatExpand()) {
  1639.             _console.log(7290, 1)
  1640.             chatFrame.scrollIntoView(true);
  1641.           }
  1642.         }, 60)
  1643.  
  1644.       }
  1645.  
  1646.       if (!!(tab_change & LAYOUT_ENGAGEMENT_PANEL_EXPAND) && new_isExpandEPanel) {
  1647.  
  1648.         timeline.setTimeout(() => {
  1649.           let scrollElement = document.querySelector('ytd-app[scrolling]')
  1650.           if (!scrollElement) return;
  1651.           // single column view; click button; scroll to tab content area 100%
  1652.           let epPanel = document.querySelector('ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility][visibility="ENGAGEMENT_PANEL_VISIBILITY_EXPANDED"]:not([hidden])');
  1653.           if (epPanel) {
  1654.             _console.log(7290, 2)
  1655.  
  1656.             let pi = 50;
  1657.             let cid = setInterval(() => {
  1658.               if (--pi) epPanel.scrollIntoView(true); else clearInterval(cid)
  1659.             }, 17)
  1660.             //
  1661.           }
  1662.         }, 60)
  1663.  
  1664.       }
  1665.  
  1666.  
  1667.     } else if (fullscreen_mode_changed) {
  1668.       
  1669.  
  1670.       if (!new_isFullScreen && statusCollapsedTrue && isWideScreenWithTwoColumns() && !isTheater()) {
  1671.        
  1672.         showTabOrChat();
  1673.       } else if (!new_isFullScreen && statusCollapsedFalse && isWideScreenWithTwoColumns() && isTheater()) {
  1674.        
  1675.  
  1676.         if(cisChatPopupedF()){
  1677.         }else{
  1678.  
  1679.           ytBtnCancelTheater();
  1680.  
  1681.         }
  1682.       }
  1683.  
  1684.     } else if ((new_layoutStatus & IF_01a) === IF_01b && !column_mode_changed && (tab_change == LAYOUT_CHATROOM_EXPANDED || tab_change == LAYOUT_ENGAGEMENT_PANEL_EXPAND)) {
  1685.  
  1686.       // two column; not theater; tab collapse; chat expand; ep expand
  1687.  
  1688.       if (epanel_expanded_changed) {
  1689.         layoutStatusMutex.lockWith(unlock => {
  1690.           ytBtnCollapseChat();
  1691.           setTimeout(unlock, 13)
  1692.         })
  1693.       } else if (chat_collapsed_changed) {
  1694.         layoutStatusMutex.lockWith(unlock => {
  1695.           ytBtnCloseEngagementPanels();
  1696.           setTimeout(unlock, 13)
  1697.         })
  1698.  
  1699.       }
  1700.  
  1701.     } else if (!tab_change && column_mode_changed && (new_layoutStatus & IF_02a) === IF_02b && moreThanOneShown) {
  1702.  
  1703.       // two column; not theater;
  1704.       // moreThanOneShown
  1705.  
  1706.       showTabOrChat();
  1707.  
  1708.     } else if (tab_change == LAYOUT_CHATROOM_EXPANDED && (new_layoutStatus & IF_03a) === IF_03b && statusCollapsedFalse && !column_mode_changed) {
  1709.  
  1710.       // two column; not theater; tab expand; chat expand; 
  1711.  
  1712.       switchTabActivity(null);
  1713.  
  1714.     } else if (isChatOrTabExpandTriggering && (new_layoutStatus & IF_04a) === IF_04b && statusCollapsedFalse && (changes & BF_TWOCOL_N_THEATER) === 0) {
  1715.  
  1716.       ytBtnCancelTheater();
  1717.  
  1718.     } else if ((new_layoutStatus & IF_04a) === IF_04b && statusCollapsedFalse) {
  1719.  
  1720.       if(isChatPopupedF()){
  1721.  
  1722.       }else{
  1723.  
  1724.         hideTabAndChat();
  1725.       }
  1726.  
  1727.     } else if (isChatOrTabCollaspeTriggering && (new_layoutStatus & IF_02a) === IF_02b && statusCollapsedTrue && !column_mode_changed) {
  1728.  
  1729.       if (tab_change == LAYOUT_ENGAGEMENT_PANEL_EXPAND) {
  1730.  
  1731.         lstTab.lastPanel = null;
  1732.  
  1733.         if (new_isFullScreen) {
  1734.  
  1735.         } else {
  1736.           showTabOrChat();
  1737.         }
  1738.       } else if (tab_change == LAYOUT_CHATROOM_EXPANDED) {
  1739.  
  1740.         lstTab.lastPanel = null;
  1741.  
  1742.         if (new_isFullScreen) {
  1743.  
  1744.         } else {
  1745.           showTabOrChat();
  1746.         }
  1747.       } else {
  1748.  
  1749.  
  1750.         if (new_isFullScreen) {
  1751.  
  1752.         } else {
  1753.  
  1754.           ytBtnSetTheater();
  1755.  
  1756.         }
  1757.  
  1758.       }
  1759.  
  1760.     } else if (!tab_change && !!(changes & BF_TWOCOL_N_THEATER) && (new_layoutStatus & IF_02a) === IF_02b && statusCollapsedTrue) {
  1761.  
  1762.       showTabOrChat();
  1763.  
  1764.     } else if ((new_layoutStatus & IF_05a) === IF_05b) {
  1765.       // bug fix for restoring from mini player
  1766.  
  1767.       layoutStatusMutex.lockWith(unlock => {
  1768.         setToActiveTab();
  1769.         timeline.setTimeout(unlock, 40);
  1770.       });
  1771.  
  1772.     } else if (tab_expanded_changed) {
  1773.  
  1774.       // 
  1775.  
  1776.     }
  1777.  
  1778.     if (theater_mode_changed) {
  1779.       let tdt = Date.now();
  1780.       theater_mode_changed_dt = tdt
  1781.       setTimeout(() => {
  1782.         if (theater_mode_changed_dt !== tdt) return;
  1783.         updateFloatingSlider();
  1784.       }, 130)
  1785.     }
  1786.  
  1787.     let secondary = null;
  1788.     if (secondary = document.querySelector('.tabview-hover-slider-enable')) {
  1789.       secondary.dispatchEvent(new CustomEvent('tabview-hover-slider-restore'))
  1790.       //console.log(1996)
  1791.     }
  1792.  
  1793.  
  1794.     if (((old_layoutStatus ^ new_layoutStatus) & LAYOUT_FULLSCREEN) === LAYOUT_FULLSCREEN) {
  1795.       detailsTriggerReset = true;
  1796.       setTimeout(()=>{
  1797.         setHiddenStateForDesc();
  1798.       },80);
  1799.     }
  1800.  
  1801.     // resize => is-two-columns_
  1802.     if (((new_layoutStatus ^ old_layoutStatus) & LAYOUT_TWO_COLUMNS) === LAYOUT_TWO_COLUMNS) {
  1803.  
  1804.  
  1805.       Promise.resolve(0).then(() => {
  1806.         pageCheck();
  1807.         if (global_columns_end_ito !== null) {
  1808.           //to trigger observation at the time layout being changed
  1809.           if ((new_layoutStatus & LAYOUT_TWO_COLUMNS) === LAYOUT_TWO_COLUMNS) {
  1810.             let endpos = document.querySelector('tabview-view-columns-endpos')
  1811.             if (endpos !== null) {
  1812.               global_columns_end_ito.observe(endpos)
  1813.             }
  1814.           } else {
  1815.             global_columns_end_ito.disconnect();
  1816.           }
  1817.         }
  1818.         setTimeout3(() => {
  1819.           singleColumnScrolling(true); //initalize sticky
  1820.         });
  1821.       })
  1822.     }
  1823.  
  1824.     if(!skipPopupChatChecking){
  1825.  
  1826.       const new_isTwoColumns = (new_layoutStatus & LAYOUT_TWO_COLUMNS) === LAYOUT_TWO_COLUMNS;
  1827.  
  1828.       const new_isTheater = (new_layoutStatus & LAYOUT_THEATER) === LAYOUT_THEATER;
  1829.  
  1830.  
  1831.       let currentIsTheaterPopupChat = new_isTwoColumns && new_isTheater && new_isExpandedChat && isChatPopupedF()
  1832.      
  1833.       if (!currentIsTheaterPopupChat) {
  1834.         skipPopupChatChecking = true
  1835.         document.dispatchEvent(new CustomEvent("tyt-close-popup"))
  1836.       }
  1837.  
  1838.     }
  1839.  
  1840.  
  1841.   }
  1842.  
  1843.   function fixLayoutStatus(x) {
  1844.     const new_isExpandedChat = !(x & LAYOUT_CHATROOM_COLLAPSED) && (x & LAYOUT_CHATROOM)
  1845.     return new_isExpandedChat ? (x | LAYOUT_CHATROOM_EXPANDED) : (x & ~LAYOUT_CHATROOM_EXPANDED);
  1846.   }
  1847.  
  1848.   const wls = new Proxy({
  1849.     /** @type {number | null} */
  1850.     layoutStatus: undefined
  1851.   }, {
  1852.     get: function (target, prop) {
  1853.       return target[prop];
  1854.     },
  1855.     set: function (target, prop, value) {
  1856.       if (prop == 'layoutStatus') {
  1857.  
  1858.         if (value === 0) {
  1859.           target[prop] = value;
  1860.           return true;
  1861.         } else if (target[prop] === value) {
  1862.           return true;
  1863.         } else {
  1864.           if (!target.layoutStatus_pending) {
  1865.             target.layoutStatus_pending = true;
  1866.             const old_layoutStatus = target[prop];
  1867.             target[prop] = value;
  1868.             layoutStatusMutex.lockWith(unlock => {
  1869.               target.layoutStatus_pending = false;
  1870.               let new_layoutStatus = target[prop];
  1871.               if (old_layoutStatus !== new_layoutStatus) {
  1872.                 layoutStatusChanged(old_layoutStatus, new_layoutStatus);
  1873.                 timeline.setTimeout(unlock, 40)
  1874.               } else {
  1875.                 unlock();
  1876.               }
  1877.             })
  1878.             return true;
  1879.           }
  1880.         }
  1881.       }
  1882.       target[prop] = value;
  1883.       return true;
  1884.     },
  1885.     has: function (target, prop) {
  1886.       return (prop in target);
  1887.     }
  1888.   });
  1889.  
  1890.   const svgElm = (w, h, vw, vh, p, m) => `<svg${m ? ` class=${m}` : ''} width="${w}" height="${h}" viewBox="0 0 ${vw} ${vh}" preserveAspectRatio="xMidYMid meet">${p}</svg>`
  1891.  
  1892.   function isVideoPlaying(video) {
  1893.     return video.currentTime > 0 && !video.paused && !video.ended && video.readyState > video.HAVE_CURRENT_DATA;
  1894.   }
  1895.  
  1896.   function wAttr(elm, attr, kv) {
  1897.     if (elm) {
  1898.       if (kv === true) {
  1899.         elm.setAttribute(attr, '');
  1900.       } else if (kv === false) {
  1901.         elm.removeAttribute(attr);
  1902.       } else if (kv === null) {
  1903.         //;
  1904.       } else if (typeof kv == 'string') {
  1905.         elm.setAttribute(attr, kv);
  1906.       }
  1907.     }
  1908.   }
  1909.  
  1910.   function hideTabBtn(tabBtn) {
  1911.     //console.log('hideTabBtn', tabBtn)
  1912.     let isActiveBefore = tabBtn.classList.contains('active');
  1913.     tabBtn.classList.add("tab-btn-hidden");
  1914.     if (isActiveBefore) {
  1915.       setToActiveTab();
  1916.     }
  1917.   }
  1918.  
  1919.   function hasAttribute(obj, key) {
  1920.     return obj && obj.hasAttribute(key);
  1921.   }
  1922.  
  1923.   function isTheater() {
  1924.     const cssElm = es.ytdFlexy;
  1925.     return (cssElm && cssElm.hasAttribute('theater'))
  1926.   }
  1927.  
  1928.   function isFullScreen() {
  1929.     const cssElm = es.ytdFlexy;
  1930.     return (cssElm && cssElm.hasAttribute('fullscreen'))
  1931.   }
  1932.  
  1933.   function isChatExpand() {
  1934.     const cssElm = es.ytdFlexy;
  1935.     return cssElm && (cssElm.getAttribute('tyt-chat') || '').charAt(0) === '+'
  1936.   }
  1937.  
  1938.   function isWideScreenWithTwoColumns() {
  1939.     const cssElm = es.ytdFlexy;
  1940.     return (cssElm && cssElm.hasAttribute('is-two-columns_'))
  1941.   }
  1942.  
  1943.   function isAnyActiveTab() {
  1944.     return document.querySelectorAll('#right-tabs .tab-btn.active').length > 0
  1945.   }
  1946.  
  1947.   function isEngagementPanelExpanded() { //note: not checking the visual elements
  1948.     const cssElm = es.ytdFlexy;
  1949.     return (cssElm && +cssElm.getAttribute('tyt-ep-visible') > 0)
  1950.   }
  1951.  
  1952.   function engagement_panels_() {
  1953.  
  1954.     let res = [];
  1955.     let shownRes = [];
  1956.  
  1957.     let v = 0,
  1958.       k = 1,
  1959.       count = 0;
  1960.  
  1961.     for (const ePanel of document.querySelectorAll(
  1962.       `ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility]:not([hidden])`
  1963.     )) {
  1964.  
  1965.       let visibility = ePanel.getAttribute('visibility') //ENGAGEMENT_PANEL_VISIBILITY_EXPANDED //ENGAGEMENT_PANEL_VISIBILITY_HIDDEN
  1966.  
  1967.       switch (visibility) {
  1968.         case 'ENGAGEMENT_PANEL_VISIBILITY_EXPANDED':
  1969.           v |= k;
  1970.           count++;
  1971.           shownRes.push(ePanel)
  1972.           res.push({ ePanel, k, visible: true });
  1973.           break;
  1974.         case 'ENGAGEMENT_PANEL_VISIBILITY_HIDDEN':
  1975.           res.push({ ePanel, k, visible: false });
  1976.           break;
  1977.         default:
  1978.           res.push({ ePanel, k, visible: false });
  1979.       }
  1980.  
  1981.       k = k << 1;
  1982.  
  1983.     }
  1984.     return { list: res, value: v, count: count, shownRes };
  1985.   }
  1986.  
  1987.  
  1988.   function ytBtnOpenEngagementPanel(/** @type {number | string} */ panel_id) {
  1989.  
  1990.     if (typeof panel_id == 'string') {
  1991.       panel_id = panel_id.replace('#engagement-panel-', '');
  1992.       panel_id = parseInt(panel_id);
  1993.     }
  1994.     if (panel_id >= 0) { } else return false;
  1995.  
  1996.     let panels = engagement_panels_();
  1997.  
  1998.     let actions = []
  1999.     for (const { ePanel, k, visible } of panels.list) {
  2000.       if ((panel_id & k) === k) {
  2001.         if (!visible) {
  2002.           actions.push({
  2003.             panelId: ePanel.getAttribute('target-id'),
  2004.             toShow: true
  2005.           })
  2006.         }
  2007.       } else {
  2008.         if (visible) {
  2009.           actions.push({
  2010.             panelId: ePanel.getAttribute('target-id'),
  2011.             toHide: true
  2012.           })
  2013.         }
  2014.       }
  2015.     }
  2016.  
  2017.     if (actions.length > 0) {
  2018.       // console.log(4545,actions)
  2019.       scriptletDeferred.debounce(() => {
  2020.         document.dispatchEvent(new CustomEvent('tyt-engagement-panel-visibility-change', {
  2021.           detail: actions
  2022.         }))
  2023.         actions = null
  2024.       })
  2025.     }
  2026.  
  2027.   }
  2028.  
  2029.   function ytBtnCloseEngagementPanel(/** @type {HTMLElement} */ s) {
  2030.     //ePanel.setAttribute('visibility',"ENGAGEMENT_PANEL_VISIBILITY_HIDDEN");
  2031.  
  2032.     let panelId = s.getAttribute('target-id')
  2033.     scriptletDeferred.debounce(() => {
  2034.       document.dispatchEvent(new CustomEvent('tyt-engagement-panel-visibility-change', {
  2035.         detail: {
  2036.           panelId,
  2037.           toHide: true
  2038.         }
  2039.       }))
  2040.     })
  2041.  
  2042.   }
  2043.  
  2044.   function ytBtnCloseEngagementPanels() {
  2045.     if (isEngagementPanelExpanded()) {
  2046.       for (const s of document.querySelectorAll(
  2047.         `ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility]:not([hidden])`
  2048.       )) {
  2049.         if (s.getAttribute('visibility') == "ENGAGEMENT_PANEL_VISIBILITY_EXPANDED") ytBtnCloseEngagementPanel(s);
  2050.       }
  2051.     }
  2052.   }
  2053.  
  2054.   function ytBtnSetTheater() {
  2055.     if (!isTheater()) {
  2056.       const sizeBtn = document.querySelector('ytd-watch-flexy #ytd-player button.ytp-size-button')
  2057.       if (sizeBtn) sizeBtn.click();
  2058.     }
  2059.   }
  2060.  
  2061.   function ytBtnCancelTheater() {
  2062.     if (isTheater()) {
  2063.       const sizeBtn = document.querySelector('ytd-watch-flexy #ytd-player button.ytp-size-button')
  2064.       if (sizeBtn) sizeBtn.click();
  2065.     }
  2066.   }
  2067.  
  2068.   function ytBtnExpandChat() {
  2069.     let button = document.querySelector('ytd-live-chat-frame#chat[collapsed] > .ytd-live-chat-frame#show-hide-button')
  2070.     if (button) {
  2071.       button =
  2072.         querySelectorFromAnchor.call(button, 'div.yt-spec-touch-feedback-shape') ||
  2073.         querySelectorFromAnchor.call(button, 'ytd-toggle-button-renderer');
  2074.       if (button) button.click();
  2075.     }
  2076.   }
  2077.  
  2078.   function ytBtnCollapseChat() {
  2079.     let button = document.querySelector('ytd-live-chat-frame#chat:not([collapsed]) > .ytd-live-chat-frame#show-hide-button')
  2080.     if (button) {
  2081.       button =
  2082.         querySelectorFromAnchor.call(button, 'div.yt-spec-touch-feedback-shape') ||
  2083.         querySelectorFromAnchor.call(button, 'ytd-toggle-button-renderer');
  2084.       if (button) button.click();
  2085.     }
  2086.   }
  2087.  
  2088.  
  2089.   async function makeVideosAutoLoad2() {
  2090.     let sVideosList = document.querySelector('ytd-watch-flexy #tab-videos [placeholder-videos]');
  2091.  
  2092.     if (!sVideosList) return null;
  2093.  
  2094.     //let ab = sVideosList.getAttribute('tabview-videos-autoload')
  2095.     await Promise.resolve(0);
  2096.  
  2097.     let endPosDOM = document.querySelector('tabview-view-videos-endpos')
  2098.     if (endPosDOM) endPosDOM.remove(); // just in case
  2099.     endPosDOM = document.createElement('tabview-view-videos-endpos')
  2100.     insertAfterTo(endPosDOM, sVideosList);
  2101.  
  2102.     await Promise.resolve(0);
  2103.  
  2104.  
  2105.     //sVideosList.setAttribute('tabview-videos-autoload', '1')
  2106.  
  2107.     _console.log(9333)
  2108.     if (!sVideosITO) {
  2109.  
  2110.       sVideosITO = new IntersectionObserver((entries) => {
  2111.  
  2112.         if ((wls.layoutStatus & LAYOUT_TWO_COLUMNS) === LAYOUT_TWO_COLUMNS) return;
  2113.  
  2114.         _console.log(9334, entries)
  2115.         if (entries.length !== 1) return;
  2116.         if (entries[0].isIntersecting !== true) return;
  2117.         let elm = ((entries[0] || 0).target || 0);
  2118.         if (!elm) return;
  2119.         elm = null;
  2120.         entries = null;
  2121.  
  2122.         new Promise(resolve => {
  2123.  
  2124.           // compatibile with Search While Watching Video
  2125.           let isSearchGeneratedWithHiddenContinuation = !!document.querySelector('#related.style-scope.ytd-watch-flexy ytd-watch-next-secondary-results-renderer.style-scope.ytd-watch-flexy ytd-compact-video-renderer.yt-search-generated.style-scope.ytd-item-section-renderer ~ ytd-continuation-item-renderer.style-scope.ytd-item-section-renderer[hidden]');
  2126.           if (isSearchGeneratedWithHiddenContinuation) return;
  2127.  
  2128.           // native YouTube coding use different way to handle custom videos, unknown condition for the continutation loading.
  2129.           let isOtherChipSelected = !!document.querySelector('ytd-watch-next-secondary-results-renderer.style-scope.ytd-watch-flexy yt-chip-cloud-renderer.style-scope.yt-related-chip-cloud-renderer yt-chip-cloud-chip-renderer.style-scope.yt-chip-cloud-renderer[aria-selected="false"] ~ [aria-selected="true"]')
  2130.           if (isOtherChipSelected) return;
  2131.  
  2132.           setTimeout(resolve, 30); // delay required to allow YouTube generate the continuation elements
  2133.  
  2134.  
  2135.         }).then(() => {
  2136.  
  2137.           let res = setVideosTwoColumns(2 | 4, true)
  2138.  
  2139.           _console.log(9335, res)
  2140.  
  2141.           if (res.m2 && res.m3) {
  2142.             let m4 = closestDOM.call(res.m2, 'ytd-continuation-item-renderer');
  2143.             let m5, m6;
  2144.  
  2145.             _console.log(9336, m4)
  2146.             if (m4) {
  2147.               m5 = querySelectorFromAnchor.call(m4, 'ytd-button-renderer.style-scope.ytd-continuation-item-renderer, yt-button-renderer.style-scope.ytd-continuation-item-renderer');
  2148.  
  2149.               // YouTube coding bug - correct is 'ytd-button-renderer'. If the page is redirected under single column mode, the tag become 'yt-button-renderer'
  2150.               // under 'yt-button-renderer', the 
  2151.  
  2152.               if (m5)
  2153.                 m6 = querySelectorFromAnchor.call(m5, 'button.yt-spec-button-shape-next--call-to-action'); // main
  2154.  
  2155.               _console.log(9337, m4, m5, m6)
  2156.  
  2157.               if (m6) {
  2158.                 m6.click() // generic solution
  2159.               } else if (m5) {
  2160.                 m5.click(); // not sure
  2161.               } else {
  2162.                 m4.dispatchEvent(new Event('yt-service-request-sent-button-renderer')); // only for correct YouTube coding
  2163.               }
  2164.             }
  2165.             m4 = null;
  2166.             m5 = null;
  2167.             m6 = null;
  2168.           }
  2169.           res = null;
  2170.  
  2171.         });
  2172.  
  2173.       }, {
  2174.         rootMargin: `0px`, // refer to css margin-top:-30vh
  2175.         threshold: [0]
  2176.       })
  2177.       sVideosITO.observe(endPosDOM);
  2178.     } else {
  2179.       sVideosITO.disconnect();
  2180.       sVideosITO.observe(endPosDOM);
  2181.     }
  2182.  
  2183.  
  2184.   }
  2185.  
  2186.  
  2187.   function fixTabs() {
  2188.  
  2189.     if (!scriptEnable) return;
  2190.  
  2191.     let queryElement = document.querySelector('*:not(#tab-videos) > #related.ytd-watch-flexy > ytd-watch-next-secondary-results-renderer');
  2192.  
  2193.     let isRelocated = !!queryElement;
  2194.  
  2195.     if (isRelocated) {
  2196.  
  2197.       _console.log(3202, 2)
  2198.  
  2199.       let relatedElm = closestDOM.call(queryElement, '#related.ytd-watch-flexy'); // NOT NULL
  2200.  
  2201.       let right_tabs = document.querySelector('#right-tabs'); // can be NULL
  2202.  
  2203.       let tab_videos = right_tabs ? querySelectorFromAnchor.call(right_tabs, "#tab-videos") : null; // can be NULL
  2204.  
  2205.       if (tab_videos !== null) {
  2206.  
  2207.         _console.log(3202, 4)
  2208.  
  2209.         let target_container = document.querySelector('ytd-watch-flexy:not([is-two-columns_]) #primary-inner.ytd-watch-flexy, ytd-watch-flexy[is-two-columns_] #secondary-inner.ytd-watch-flexy')
  2210.         if (target_container) target_container.appendChild(right_tabs) // last-child
  2211.  
  2212.         tab_videos.appendChild(relatedElm);
  2213.         // no any other element set these attr. only init / relocation
  2214.         relatedElm.setAttribute('placeholder-for-youtube-play-next-queue', '')
  2215.         relatedElm.setAttribute('placeholder-videos', '')
  2216.  
  2217.         makeVideosAutoLoad2();
  2218.  
  2219.       }
  2220.  
  2221.     }
  2222.  
  2223.  
  2224.     /** @type {HTMLElement | null} */
  2225.     let chatroom = null;
  2226.     if (chatroom = document.querySelector('*:not([data-positioner="before|#chat"]) + ytd-live-chat-frame#chat, ytd-live-chat-frame#chat:first-child')) {
  2227.  
  2228.       let pHolderElm = document.querySelector('tabview-view-pholder[data-positioner="before|#chat"]');
  2229.       if (pHolderElm) pHolderElm.remove();
  2230.  
  2231.       if (document.querySelector('.YouTubeLiveFilledUpView')) {
  2232.         // no relocation
  2233.       } else {
  2234.  
  2235.         let rightTabs = document.querySelector('#right-tabs');
  2236.         if (rightTabs) {
  2237.           insertBeforeTo(chatroom, rightTabs);
  2238.         }
  2239.  
  2240.       }
  2241.  
  2242.       if (!pHolderElm) {
  2243.         pHolderElm = document.createElement('tabview-view-pholder');
  2244.         pHolderElm.setAttribute('data-positioner', 'before|#chat');
  2245.       }
  2246.  
  2247.       insertBeforeTo(pHolderElm, chatroom)
  2248.  
  2249.     }
  2250.  
  2251.  
  2252.   }
  2253.  
  2254.   
  2255.   async function isDocumentInFullScreenMode() {
  2256.     return document.fullscreenElement !== null;
  2257.   }
  2258.   async function energizedByVideoTimeUpdate() {
  2259.  
  2260.     const isFullscreen = await isDocumentInFullScreenMode();
  2261.     if (isFullscreen) return;
  2262.  
  2263.     // force browser to load the videostream during playing (primarily for music videos)
  2264.     // both background and foreground
  2265.  
  2266.     _updateTimeAccum++;
  2267.  
  2268.     if ((_updateTimeAccum + _viTimeNum) % 11 === 0) {
  2269.       // console.log(document.querySelector('video').currentTime) // 2.55, 2.64, 3.12, ...
  2270.       // about 2.66s
  2271.  
  2272.       if (_viTimeNum > 211) {
  2273.         // around 30.9s ~ 31.9s
  2274.         _viTimeNum = 200;
  2275.         _updateTimeAccum = (_updateTimeAccum % 8) + 1; // reset to 1 ~ 8
  2276.         postMessage({ tabviewEnergized: true }, 'https://www.youtube.com'); // post message to make alive
  2277.       }
  2278.  
  2279.       document.head.dataset.viTime = `${_viTimeNum + 1}`;
  2280.       await Promise.resolve(0)
  2281.       _viTimeNum = +document.head.dataset.viTime || 0;
  2282.     }
  2283.  
  2284.  
  2285.   }
  2286.  
  2287.   function autoCompletePosCreate(){
  2288.     
  2289.     let positioner = document.createElement("tabview-view-autocomplete-pos");
  2290.     let oldPositioner = document.querySelector("tabview-view-autocomplete-pos");
  2291.     if(oldPositioner) oldPositioner.remove();
  2292.     return positioner
  2293.   }
  2294.  
  2295.   function handlerAutoCompleteExist() {
  2296.     // Youtube - Search While Watching Video
  2297.  
  2298.     /** @type {HTMLElement} */
  2299.     let searchBox, autoComplete;
  2300.     searchBox = this;
  2301.     this.removeEventListener('autocomplete-sc-exist', handlerAutoCompleteExist, false)
  2302.     let domId = this.getAttribute('data-autocomplete-results-id')
  2303.  
  2304.     autoComplete = document.querySelector(`[data-autocomplete-input-id="${domId}"]`)
  2305.  
  2306.     if (!domId || !searchBox) return;
  2307.  
  2308.     let positioner = searchBox.nextSibling;
  2309.     if (positioner) {
  2310.       if (positioner.nodeName.toLowerCase() !== "tabview-view-autocomplete-pos") {
  2311.         positioner = autoCompletePosCreate();
  2312.         insertAfterTo(positioner, searchBox);
  2313.       }
  2314.     } else {
  2315.       positioner = autoCompletePosCreate();
  2316.       prependTo(positioner, searchBox.parentNode);
  2317.     }
  2318.     prependTo(autoComplete, positioner);
  2319.  
  2320.     setupSearchBox(searchBox, positioner);
  2321.  
  2322.  
  2323.   }
  2324.  
  2325.   async function setupSearchBox(searchBox, positioner) {
  2326.  
  2327.     let mb = getComputedStyle(searchBox).marginBottom
  2328.     let h = searchBox.offsetHeight + 'px'
  2329.  
  2330.     positioner.style.setProperty('--tyt-swwv-searchbox-mb', mb)
  2331.     positioner.style.setProperty('--tyt-swwv-searchbox-h', h)
  2332.  
  2333.     mtf_autocomplete_search()
  2334.  
  2335.   }
  2336.  
  2337.   function mtf_autocomplete_search() {
  2338.     // Youtube - Search While Watching Video
  2339.  
  2340.     /** @type {HTMLElement | null} */
  2341.     const ytdFlexyElm = es.ytdFlexy;
  2342.     if (!scriptEnable || !ytdFlexyElm) return;
  2343.  
  2344.     const autocomplete = querySelectorFromAnchor.call(ytdFlexyElm, '[placeholder-for-youtube-play-next-queue] input#suggestions-search + tabview-view-autocomplete-pos > .autocomplete-suggestions[data-autocomplete-input-id]:not([position-fixed-by-tabview-youtube])')
  2345.  
  2346.     if (autocomplete) {
  2347.  
  2348.       const searchBox = document.querySelector('[placeholder-for-youtube-play-next-queue] input#suggestions-search')
  2349.  
  2350.  
  2351.       if (searchBox) {
  2352.  
  2353.         const rAutoComplete = mWeakRef(autocomplete);
  2354.  
  2355.         function setVisible(autocomplete, b) {
  2356.           autocomplete.style.display = (b ? 'block' : 'none');
  2357.         }
  2358.  
  2359.         function isContentNotEmpty(searchbox, autocomplete) {
  2360.           return (searchbox.value || '').length > 0 && (autocomplete.textContent || '').length > 0;
  2361.         }
  2362.  
  2363.         autocomplete.parentNode.setAttribute('position-fixed-by-tabview-youtube', '');
  2364.         autocomplete.setAttribute('position-fixed-by-tabview-youtube', '');
  2365.         autocomplete.setAttribute('userscript-scrollbar-render', '')
  2366.  
  2367.         //let cancelClickToggle = false;
  2368.  
  2369.         if (!searchBox.hasAttribute('is-set-click-to-toggle')) {
  2370.           searchBox.setAttribute('is-set-click-to-toggle', '')
  2371.  
  2372.           searchBox.addEventListener('click', function () {
  2373.  
  2374.             Promise.resolve(0).then(() => {
  2375.  
  2376.               const autocomplete = kRef(rAutoComplete);
  2377.  
  2378.               if (!autocomplete) return;
  2379.  
  2380.               const isNotEmpty = isContentNotEmpty(this, autocomplete);
  2381.  
  2382.               if (isNotEmpty) {
  2383.  
  2384.                 let elmVisible = isDOMVisible(autocomplete);
  2385.  
  2386.                 if (elmVisible) {
  2387.                   setVisible(autocomplete, false)
  2388.                 }
  2389.                 else {
  2390.                   setVisible(autocomplete, true)
  2391.                 }
  2392.  
  2393.               }
  2394.  
  2395.             })
  2396.  
  2397.           }, bubblePassive)
  2398.  
  2399.           let cacheScrollIntoView = null;
  2400.           let rafID = 0;
  2401.           searchBox.addEventListener('keydown', function (evt) {
  2402.             //cancelClickToggle = true;
  2403.             switch (evt.code) {
  2404.               case 'ArrowUp':
  2405.               case 'ArrowDown':
  2406.  
  2407.                 let t = Date.now();
  2408.                 if (rafID === 0) {
  2409.                   rafID = requestAnimationFrame(() => {
  2410.                     rafID = 0;
  2411.                     let d = Date.now();
  2412.                     if (d - t > 300) return;
  2413.  
  2414.                     const autocomplete = kRef(rAutoComplete);
  2415.  
  2416.                     let selected = querySelectorFromAnchor.call(autocomplete, '.autocomplete-suggestion.selected');
  2417.                     let bool = selected && selected !== cacheScrollIntoView;
  2418.                     cacheScrollIntoView = selected;
  2419.                     if (bool) {
  2420.  
  2421.                       try {
  2422.                         selected.scrollIntoView({ block: "nearest", inline: "nearest" });
  2423.                       } catch (e) { }
  2424.  
  2425.                     }
  2426.  
  2427.                   })
  2428.                 }
  2429.               default:
  2430.               //
  2431.             }
  2432.  
  2433.  
  2434.           }, bubblePassive)
  2435.  
  2436.           searchBox.addEventListener('tyt-autocomplete-suggestions-change', function (evt) {
  2437.  
  2438.             //cancelClickToggle = true;
  2439.             if (evt.target !== document.activeElement) return;
  2440.             setTimeout(() => {
  2441.               const autocomplete = document.querySelector(`.autocomplete-suggestions[data-autocomplete-input-id="${this.getAttribute('data-autocomplete-results-id')}"]`);
  2442.               if (!autocomplete) return;
  2443.               const isNotEmpty = isContentNotEmpty(this, autocomplete);
  2444.               if (isNotEmpty) {
  2445.                 // dont detect visibility; just set to visible
  2446.                 setVisible(autocomplete, true);
  2447.               }
  2448.             }, 20);
  2449.  
  2450.           }, bubblePassive)
  2451.  
  2452.         }
  2453.  
  2454.       }
  2455.  
  2456.     }
  2457.  
  2458.   }
  2459.  
  2460.   const insertBeforeTo = HTMLElement.prototype.before ? (elm, target) => {
  2461.     if (!target || !elm) return null;
  2462.     // using before
  2463.     HTMLElement.prototype.before.call(target, elm);
  2464.     return true;
  2465.   } : (elm, target) => {
  2466.     if (!target || !elm) return null;
  2467.     // using insertBefore
  2468.     try {
  2469.       HTMLElement.prototype.insertBefore.call(target.parentNode, elm, target);
  2470.       return true;
  2471.     } catch (e) {
  2472.       console.log('element insert failed in old browser CE')
  2473.     }
  2474.     return false;
  2475.   }
  2476.  
  2477.   const insertAfterTo = HTMLElement.prototype.after ? (elm, target) => {
  2478.     if (!target || !elm) return null;
  2479.     // using after
  2480.     HTMLElement.prototype.after.call(target, elm);
  2481.     return true;
  2482.   } : (elm, target) => {
  2483.     if (!target || !elm) return null;
  2484.     // using insertBefore
  2485.     try {
  2486.       HTMLElement.prototype.insertBefore.call(target.parentNode, elm, target.nextSibling);
  2487.       return true;
  2488.     } catch (e) {
  2489.       console.log('element insert failed in old browser CE')
  2490.     }
  2491.     return false;
  2492.   }
  2493.  
  2494.   const prependTo = HTMLElement.prototype.prepend ? (elm, target) => {
  2495.     if (!target || !elm) return null;
  2496.     // using prepend
  2497.     HTMLElement.prototype.prepend.call(target, elm);
  2498.     return true;
  2499.   } : (elm, target) => {
  2500.     if (!target || !elm) return null;
  2501.     // using insertBefore
  2502.     try {
  2503.       HTMLElement.prototype.insertBefore.call(target, elm, target.firstChild);
  2504.       return true;
  2505.     } catch (e) {
  2506.       console.log('element insert failed in old browser CE')
  2507.     }
  2508.     return false;
  2509.   }
  2510.  
  2511.   const appends = HTMLElement.prototype.append ? (target, ...args) => {
  2512.     HTMLElement.prototype.append.call(target, ...args);
  2513.     return true;
  2514.   } : (target, ...args) => {
  2515.     for (const s of args) {
  2516.       target.appendChild(s)
  2517.     }
  2518.     return true;
  2519.   }
  2520.  
  2521.  
  2522.   // css animation check for element relocation
  2523.   function mtf_liveChatBtnF(node) {
  2524.  
  2525.     if (!node || node.nodeType !== 1) return;
  2526.  
  2527.     /** @type {HTMLElement | null} */
  2528.     const ytdFlexyElm = es.ytdFlexy;
  2529.     if (!scriptEnable || !ytdFlexyElm) return;
  2530.  
  2531.     let button = node;
  2532.  
  2533.     if (button) {
  2534.       prependTo(button, button.parentNode);
  2535.     }
  2536.  
  2537.  
  2538.   }
  2539.  
  2540.  
  2541.   function getWrapper(wrapperId) {
  2542.     let wrapper = document.getElementById(wrapperId);
  2543.     if (!wrapper) {
  2544.       wrapper = document.createElement('div');
  2545.       wrapper.id = wrapperId;
  2546.     }
  2547.     return wrapper;
  2548.   }
  2549.  
  2550.   // continuous check for element relocation
  2551.   // fired at begining & window resize, etc
  2552.   // might moved to #primary
  2553.   function mtf_append_playlist(/** @type {HTMLElement | null} */ playlist) {
  2554.  
  2555.     if (playlist === null) {
  2556.       playlist = document.querySelector('ytd-watch-flexy[playlist] *:not(#tabview-playlist-wrapper) > ytd-playlist-panel-renderer.style-scope.ytd-watch-flexy#playlist:not(.ytd-miniplayer)');
  2557.       // this playlist is highly possible to have '#items'
  2558.       if (!playlist) return;
  2559.     }
  2560.  
  2561.     /** @type {HTMLElement | null} */
  2562.     const ytdFlexyElm = es.ytdFlexy;
  2563.     if (!scriptEnable || !ytdFlexyElm) return;
  2564.  
  2565.     let items = querySelectorFromAnchor.call(playlist, "*:not(#tabview-playlist-wrapper) > ytd-playlist-panel-renderer#playlist:not(.ytd-miniplayer) #items.ytd-playlist-panel-renderer:not(:empty)");
  2566.  
  2567.     if (items !== null && playlist.nodeName.toUpperCase() === 'YTD-PLAYLIST-PANEL-RENDERER') {
  2568.  
  2569.       let tab_list = document.querySelector("#tab-list");
  2570.  
  2571.       if (!tab_list) return;
  2572.  
  2573.       let w = getWrapper("tabview-playlist-wrapper");
  2574.       let docFrag = new DocumentFragment();
  2575.       // avoid immediate reflow for append playlist before append to tab_list
  2576.       docFrag.appendChild(w);
  2577.       w.appendChild(playlist);
  2578.       tab_list.appendChild(docFrag);
  2579.       docFrag = null;
  2580.       w = null;
  2581.  
  2582.     }
  2583.   }
  2584.  
  2585.  
  2586.   function getCountHText(elm) {
  2587.     return `${pageFetchedDataVideoId || 0}...${elm.textContent}`
  2588.   }
  2589.  
  2590.   // content fix - info & playlist
  2591.   // fired at begining, and keep for in case any change
  2592.   function mtf_fix_details() {
  2593.  
  2594.     if (!scriptEnable) return Promise.resolve(0); // in case
  2595.  
  2596.     return Promise.all([
  2597.       new Promise(resolve => {
  2598.  
  2599.  
  2600.         let contentToggleBtn = document.querySelector('ytd-watch-flexy #tab-info ytd-expander tp-yt-paper-button#less.ytd-expander:not([hidden]), #tab-info ytd-expander tp-yt-paper-button#more.ytd-expander:not([hidden])');
  2601.  
  2602.         if (contentToggleBtn) {
  2603.  
  2604.           (() => {
  2605.             const domElement = contentToggleBtn;
  2606.             contentToggleBtn = null;
  2607.             // if(!domElement.parentElement) return; // not working in pseudo custom element - parentNode = documentFragment
  2608.             const expander = closestDOM.call(domElement, 'ytd-watch-flexy #tab-info ytd-expander')
  2609.  
  2610.             if (!expander || expander.nodeType !== 1) return; // checking whether it is still on the page
  2611.  
  2612.             if (expander.style.getPropertyValue('--ytd-expander-collapsed-height')) {
  2613.               expander.style.setProperty('--ytd-expander-collapsed-height', '')
  2614.             }
  2615.             nativeCall(expander, [
  2616.               { 'property': 'canToggleJobId', 'value': 1 }, // false disable calculateCanCollapse in childrenChanged
  2617.               { 'property': 'alwaysToggleable', 'value': false }, // this is checked in childrenChanged
  2618.               { 'property': 'recomputeOnResize', 'value': false }, // no need to check toggleable
  2619.               { 'property': 'isToggled', 'value': true }, // show full content
  2620.               { 'property': 'canToggle', 'value': false }, // hide show more or less btn
  2621.               { 'property': 'collapsedHeight', 'value': 999999 } // disable collapsed height check
  2622.             ])
  2623.  
  2624.           })();
  2625.         }
  2626.  
  2627.         resolve();
  2628.  
  2629.  
  2630.       }),
  2631.  
  2632.       new Promise(resolve => {
  2633.  
  2634.  
  2635.         let strcturedInfo = document.querySelector('ytd-watch-flexy #tab-info ytd-structured-description-content-renderer.style-scope.ytd-video-secondary-info-renderer[hidden]')
  2636.         if (strcturedInfo) {
  2637.  
  2638.           (() => {
  2639.  
  2640.             strcturedInfo.removeAttribute('hidden');
  2641.  
  2642.  
  2643.             setTimeout(() => {
  2644.  
  2645.  
  2646.               let e = closestDOM.call(strcturedInfo, 'ytd-watch-flexy #tab-info ytd-expander');
  2647.  
  2648.               if (!e) return;
  2649.               let s = querySelectorAllFromAnchor.call(e, '#tab-info .more-button.style-scope.ytd-video-secondary-info-renderer[role="button"]');
  2650.               if (s.length === 1) {
  2651.                 let sp = s[0].parentNode
  2652.                 if (sp.nodeName.toUpperCase() === 'TP-YT-PAPER-BUTTON') {
  2653.  
  2654.                   sp.click();
  2655.                 }
  2656.               }
  2657.  
  2658.             }, 300)
  2659.  
  2660.           })();
  2661.         }
  2662.  
  2663.  
  2664.         resolve();
  2665.  
  2666.       }),
  2667.  
  2668.       new Promise(resolve => {
  2669.  
  2670.  
  2671.         // just in case the playlist is collapsed
  2672.         let playlist = document.querySelector('#tab-list ytd-playlist-panel-renderer#playlist')
  2673.         if (playlist && playlist.matches('[collapsed], [collapsible]')) {
  2674.  
  2675.           (() => {
  2676.  
  2677.             const domElement = playlist;
  2678.             playlist = null;
  2679.             // if(!domElement.parentElement || domElement.nodeType!==1) return; // not working in pseudo custom element - parentNode = documentFragment
  2680.             const tablist = closestDOM.call(domElement, 'ytd-watch-flexy #tab-list')
  2681.  
  2682.             if (!tablist || tablist.nodeType !== 1) return; // checking whether it is still on the page
  2683.  
  2684.             if (domElement.hasAttribute('collapsed')) wAttr(domElement, 'collapsed', false);
  2685.             if (domElement.hasAttribute('collapsible')) wAttr(domElement, 'collapsible', false);
  2686.           })();
  2687.         }
  2688.  
  2689.         resolve();
  2690.  
  2691.  
  2692.       }),
  2693.  
  2694.       new Promise(resolve => {
  2695.  
  2696.  
  2697.         let subscribersCount = document.querySelector('#primary.ytd-watch-flexy #below ytd-watch-metadata #owner #owner-sub-count')
  2698.  
  2699.         if (subscribersCount) {
  2700.           if (!subscribersCount.hasAttribute('title')) {
  2701.             // assume YouTube native coding would not implement [title]
  2702.  
  2703.             let ytdWatchMetaDataElm = closestDOM.call(subscribersCount, 'body #primary.ytd-watch-flexy #below ytd-watch-metadata[modern-metapanel-order]:not([tabview-uploader-hover])');
  2704.             if (ytdWatchMetaDataElm) {
  2705.               ytdWatchMetaDataElm.setAttribute('tabview-uploader-hover', '')
  2706.               let _h = 0;
  2707.               ytdWatchMetaDataElm.addEventListener('transitionend', function (evt) {
  2708.                 // no css selector rule required; no delay js function call required
  2709.  
  2710.                 if (evt.propertyName === 'background-position-y') { // string comparision only
  2711.  
  2712.                   // If the cursor initially stayed at the owner info area, 
  2713.                   // the mechanism will be broken
  2714.                   // so implement the true leave detection at their parent
  2715.  
  2716.                   let isHover = evt.elapsedTime < 0.03; // 50ms @normal; 10ms @hover;
  2717.  
  2718.                   let cssRoot = this; // no querySelector is required
  2719.                   if (!isHover) {
  2720.                     // 50ms is slowest than sub element leave effect
  2721.                     if (_h > 0) cssRoot.classList.toggle('tabview-uploader-hover', false) // even the order is incorrect, removal of class is safe.
  2722.                     _h = 0; // in case
  2723.                   } else if (isHover) {
  2724.                     // 10ms is faster than sub element hover effect
  2725.                     // no removal of class in case browser's transition implemention order is incorrect
  2726.                     _h = 0; // in case
  2727.                   }
  2728.  
  2729.                 } else if (evt.propertyName === 'background-position-x') { // string comparision only
  2730.  
  2731.                   //from one element to another element; hover effect of 2nd element transition end first.
  2732.                   // _h: 0 -> 1 -> 2 -> 1
  2733.  
  2734.                   let isHover = evt.elapsedTime < 0.03; // 40ms @normal; 20ms @hover;
  2735.                   if (isHover) _h++; else _h--;
  2736.                   let cssRoot = this; // no querySelector is required
  2737.                   if (_h <= 0) {
  2738.                     cssRoot.classList.toggle('tabview-uploader-hover', false)
  2739.                     _h = 0; // in case
  2740.                   } else if (_h === 1) {
  2741.                     cssRoot.classList.toggle('tabview-uploader-hover', true)
  2742.                   }
  2743.  
  2744.                 }
  2745.  
  2746.               }, capturePassive) // capture the hover effect inside the cssRoot
  2747.             }
  2748.  
  2749.           }
  2750.           subscribersCount.setAttribute('title', subscribersCount.textContent); // set at every page update
  2751.  
  2752.         }
  2753.  
  2754.         resolve();
  2755.  
  2756.       })
  2757.  
  2758.  
  2759.     ]);
  2760.  
  2761.  
  2762.   }
  2763.  
  2764.  
  2765.   const innerCommentsFuncs = [
  2766.     // comments
  2767.     function () {
  2768.  
  2769.       let elm = kRef(this.elm);
  2770.       _console.log(2907, 1, !!elm)
  2771.       if (!elm) return;
  2772.  
  2773.       let span = document.querySelector("span#tyt-cm-count")
  2774.       let r = '0';
  2775.       let txt = elm.textContent
  2776.       if (typeof txt == 'string') {
  2777.         let m = txt.match(/[\d\,\s]+/)
  2778.         if (m) {
  2779.           r = m[0].trim()
  2780.         }
  2781.       }
  2782.  
  2783.       if (span) {
  2784.         let tab_btn = closestDOM.call(span, '.tab-btn[tyt-tab-content="#tab-comments"]')
  2785.         if (tab_btn) tab_btn.setAttribute('loaded-comment', 'normal')
  2786.         span.textContent = r;
  2787.       }
  2788.  
  2789.       setCommentSection(1);
  2790.       m_last_count = getCountHText(elm);
  2791.       _console.log(2907, 2, m_last_count)
  2792.       return true;
  2793.     },
  2794.     // message
  2795.     function () {
  2796.  
  2797.       let elm = kRef(this.elm);
  2798.       _console.log(2907, 2, !!elm)
  2799.       if (!elm) return;
  2800.  
  2801.       let span = document.querySelector("span#tyt-cm-count")
  2802.       if (span) {
  2803.         let tab_btn = closestDOM.call(span, '.tab-btn[tyt-tab-content="#tab-comments"]')
  2804.         if (tab_btn) tab_btn.setAttribute('loaded-comment', 'message')
  2805.         span.textContent = '\u200B';
  2806.       }
  2807.  
  2808.       setCommentSection(1);
  2809.       m_last_count = getCountHText(elm);
  2810.       _console.log(2907, 2, m_last_count)
  2811.       return true;
  2812.     }
  2813.   ]
  2814.  
  2815.  
  2816.   let innerDOMCommentsCountTextCache = null;
  2817.   function innerDOMCommentsCountLoader() {
  2818.     // independent of tabs initialization
  2819.     // f() is executed after tabs being ready
  2820.  
  2821.     /** @type {HTMLElement | null} */
  2822.     const ytdFlexyElm = es.ytdFlexy;
  2823.     if (!scriptEnable || !ytdFlexyElm) return;
  2824.  
  2825.     _console.log(3434, pageType)
  2826.     if (pageType !== 'watch') return;
  2827.  
  2828.  
  2829.     /** @type {Array<HTMLElement>} */
  2830.     let qmElms = [...document.querySelectorAll('ytd-comments#comments #count.ytd-comments-header-renderer, ytd-comments#comments ytd-item-section-renderer.ytd-comments#sections #header ~ #contents > ytd-message-renderer.ytd-item-section-renderer')]
  2831.  
  2832.  
  2833.     const eTime = +`${Date.now() - mTime}00`;
  2834.  
  2835.     let res = new Array(qmElms.length);
  2836.     res.newFound = false;
  2837.  
  2838.  
  2839.     let ci = 0;
  2840.     let latest = -1;
  2841.  
  2842.     let retrival = cmTime;
  2843.     cmTime = eTime;
  2844.  
  2845.     for (const qmElm of qmElms) {
  2846.  
  2847.       let mgz = 0
  2848.       if (qmElm.id === 'count') {
  2849.         //#count.ytd-comments-header-renderer
  2850.         mgz = 1;
  2851.  
  2852.       } else if ((qmElm.textContent || '').trim()) {
  2853.         //ytd-message-renderer.ytd-item-section-renderer
  2854.         mgz = 2;
  2855.         // it is possible to get the message before the header generation.
  2856.         // sample link - https://www.youtube.com/watch?v=PVUZ8Nvr1ic
  2857.         // sample link - https://www.youtube.com/watch?v=yz8AiQc1Bk8
  2858.       }
  2859.  
  2860.       if (mgz > 0) {
  2861.  
  2862.  
  2863.         let lastUpdate = loadedCommentsDT.get(qmElm) || 0;
  2864.         let diff = retrival - lastUpdate
  2865.         _console.log(2907, diff)
  2866.         let isNew = (diff > 4 || diff < -4);
  2867.         if (!isNew) {
  2868.           loadedCommentsDT.set(qmElm, eTime);
  2869.         } else {
  2870.           loadedCommentsDT.set(qmElm, eTime + 1);
  2871.           res.newFound = true;
  2872.           latest = ci;
  2873.         }
  2874.  
  2875.         res[ci] = {
  2876.           elm: mWeakRef(qmElm),
  2877.           isNew: isNew,
  2878.           isLatest: false, //set afterwards
  2879.           f: innerCommentsFuncs[mgz - 1]
  2880.         }
  2881.  
  2882.         if (DEBUG_LOG) {
  2883.           res[ci].status = mgz;
  2884.           res[ci].text = qmElm.textContent;
  2885.         }
  2886.  
  2887.         ci++;
  2888.  
  2889.       }
  2890.  
  2891.     }
  2892.     if (res.length > ci) res.length = ci;
  2893.  
  2894.     if (latest >= 0) {
  2895.  
  2896.       res[latest].isLatest = true;
  2897.  
  2898.  
  2899.       let elm = kRef(res[latest].elm);
  2900.       if (elm)
  2901.         innerDOMCommentsCountTextCache = elm.textContent;
  2902.  
  2903.     } else if (res.length === 1) {
  2904.  
  2905.       let qmElm = kRef(res[0].elm);
  2906.       let t = null;
  2907.       if (qmElm) {
  2908.  
  2909.         let t = qmElm.textContent;
  2910.         if (t !== innerDOMCommentsCountTextCache) {
  2911.  
  2912.  
  2913.           loadedCommentsDT.set(qmElm, eTime + 1);
  2914.           res.newFound = true;
  2915.  
  2916.           res[0].isNew = true;
  2917.           latest = 0;
  2918.  
  2919.           res[latest].isLatest = true;
  2920.  
  2921.         }
  2922.  
  2923.         innerDOMCommentsCountTextCache = t;
  2924.  
  2925.  
  2926.       }
  2927.  
  2928.  
  2929.     }
  2930.  
  2931.  
  2932.     _console.log(2908, res, Q.comments_section_loaded)
  2933.  
  2934.     _console.log(696, res.map(e => ({
  2935.  
  2936.       text: kRef(e.elm).textContent,
  2937.       isNew: e.isNew,
  2938.       isLatest: e.isLatest
  2939.  
  2940.     })))
  2941.  
  2942.     return res;
  2943.  
  2944.   }
  2945.  
  2946.   function restoreFetching() {
  2947.  
  2948.  
  2949.     if (mtf_forceCheckLiveVideo_disable === 2) return;
  2950.  
  2951.  
  2952.     const ytdFlexyElm = es.ytdFlexy;
  2953.     if (!ytdFlexyElm) return;
  2954.  
  2955.     _console.log(2901)
  2956.  
  2957.     if ((ytdFlexyElm.getAttribute('tyt-comments') || '').indexOf('K') >= 0) return;
  2958.  
  2959.     _console.log(2902)
  2960.  
  2961.     let visibleComments = querySelectorFromAnchor.call(ytdFlexyElm, 'ytd-comments#comments:not([hidden])')
  2962.     if (!visibleComments) return;
  2963.  
  2964.     _console.log(2903)
  2965.  
  2966.  
  2967.     ytdFlexyElm.setAttribute('tyt-comments', 'Kz');
  2968.  
  2969.     const tabBtn = document.querySelector('[tyt-tab-content="#tab-comments"]');
  2970.     let span = querySelectorFromAnchor.call(tabBtn, 'span#tyt-cm-count');
  2971.     tabBtn.removeAttribute('loaded-comment')
  2972.     span.innerHTML = '';
  2973.  
  2974.     if (tabBtn) {
  2975.       tabBtn.classList.remove("tab-btn-hidden")
  2976.     }
  2977.  
  2978.     _console.log(2905)
  2979.  
  2980.  
  2981.   }
  2982.  
  2983.   const resultCommentsCountCaching = (res) => {
  2984.     // update fetchCounts by res
  2985.     // indepedent of previous state of fetchCounts
  2986.     _console.log(2908, 10, res)
  2987.     if (!res) return;
  2988.     fetchCounts.count = res.length;
  2989.     //if(fetchCounts.new && !document.documentElement.contains(fetchCounts.new.elm)) fetchCounts.new = null;
  2990.     //if(fetchCounts.base && !document.documentElement.contains(fetchCounts.base.elm)) fetchCounts.base = null;
  2991.     if (fetchCounts.new) return;
  2992.     let newFound = res.newFound;
  2993.     if (!newFound) {
  2994.       if (res.length === 1) {
  2995.         fetchCounts.base = res[0];
  2996.         return false;
  2997.       }
  2998.     } else if (res.length === 1) {
  2999.       fetchCounts.new = res[0];
  3000.       return true;
  3001.     } else if (res.length > 1) {
  3002.       for (const entry of res) {
  3003.         if (entry.isLatest === true && entry.isNew) {
  3004.           fetchCounts.new = entry;
  3005.           return true;
  3006.         }
  3007.       }
  3008.     }
  3009.   }
  3010.  
  3011.   const domInit_comments = () => {
  3012.  
  3013.  
  3014.     let comments = document.querySelector(`ytd-comments#comments:not([o3r-${sa_comments}])`);
  3015.     if (!comments) return;
  3016.  
  3017.     // once per {ytd-comments#comments} detection
  3018.  
  3019.     const ytdFlexyElm = es.ytdFlexy;
  3020.     if (!scriptEnable || !ytdFlexyElm) return;
  3021.  
  3022.     _console.log(3901)
  3023.  
  3024.     if (mtoVisibility_Comments.bindElement(comments)) {
  3025.       mtoVisibility_Comments.observer.check(9);
  3026.     }
  3027.  
  3028.  
  3029.   };
  3030.  
  3031.   const domInit_teaserInfo = () => {
  3032.     //obsolete?
  3033.  
  3034.     let teaserInfo = document.querySelector('#description-and-actions.style-scope.ytd-watch-metadata > #description ytd-text-inline-expander:not([tabview-removed-duplicate])');
  3035.  
  3036.     if (!teaserInfo) return;
  3037.  
  3038.     // for Teaser UI
  3039.     // once per {#description-and-actions.style-scope.ytd-watch-metadata > #description > ytd-text-inline-expander} detection
  3040.  
  3041.     const ytdFlexyElm = es.ytdFlexy;
  3042.     if (!scriptEnable || !ytdFlexyElm) return;
  3043.     let addedInfo = document.querySelector('#tab-info ytd-expander[tabview-info-expander]');
  3044.  
  3045.     if (!addedInfo) return;
  3046.  
  3047.     scriptletDeferred.debounce(() => {
  3048.  
  3049.       teaserInfo.setAttribute('tabview-removed-duplicate', '')
  3050.       teaserInfo.dispatchEvent(new CustomEvent('tabview-no-duplicate-info'))
  3051.  
  3052.     })
  3053.  
  3054.  
  3055.   }
  3056.  
  3057.  
  3058.   const FP = {
  3059.  
  3060.     mtf_attrPlaylist: (attrName, newValue) => {
  3061.       //attr mutation checker - {ytd-playlist-panel-renderer#playlist} \single
  3062.       //::attr ~ hidden    
  3063.       //console.log(1210)
  3064.  
  3065.       _console.log(21311)
  3066.       if (!scriptEnable) return;
  3067.       if (pageType !== 'watch') return;
  3068.       /** @type {HTMLElement|null} */
  3069.       let cssElm = es.ytdFlexy;
  3070.       if (!cssElm) return;
  3071.  
  3072.       _console.log(21312)
  3073.  
  3074.       let playlist = document.querySelector('#tab-list ytd-playlist-panel-renderer#playlist'); // can be null if it is manually triggered
  3075.       let isAnyPlaylistExist = playlist && !playlist.hasAttribute('hidden');
  3076.       const tabBtn = document.querySelector('[tyt-tab-content="#tab-list"]');
  3077.       //console.log(1212.2, isPlaylistHidden, playlist.getAttribute('hidden'))
  3078.       if (tabBtn) {
  3079.         //console.log('attr playlist changed')
  3080.         let isPlaylistTabHidden = tabBtn.classList.contains('tab-btn-hidden')
  3081.         if (isPlaylistTabHidden && isAnyPlaylistExist) {
  3082.           //console.log('attr playlist changed - no hide')
  3083.           tabBtn.classList.remove("tab-btn-hidden");
  3084.         } else if (!isPlaylistTabHidden && !isAnyPlaylistExist) {
  3085.           //console.log('attr playlist changed - add hide')
  3086.           hideTabBtn(tabBtn);
  3087.         }
  3088.       }
  3089.       /* visible layout for triggering hidden removal */
  3090.  
  3091.     },
  3092.     mtf_attrComments: (attrName, newValue) => {
  3093.       //attr mutation checker - {ytd-comments#comments} \single
  3094.       //::attr ~ hidden
  3095.  
  3096.       // *** consider this can happen immediately after pop state. timeout / interval might clear out.
  3097.  
  3098.       renderDeferred.resolved && resultCommentsCountCaching(innerDOMCommentsCountLoader());
  3099.       // this is triggered by mutationobserver, the comment count update might have ouccred
  3100.  
  3101.       if (pageType !== 'watch') return;
  3102.  
  3103.       let comments = document.querySelector('ytd-comments#comments')
  3104.       const tabBtn = document.querySelector('[tyt-tab-content="#tab-comments"]');
  3105.       if (!comments || !tabBtn) return;
  3106.       let isCommentHidden = comments.hasAttribute('hidden')
  3107.       //console.log('attr comments changed')
  3108.  
  3109.  
  3110.       const ytdFlexyElm = es.ytdFlexy;
  3111.       if (!scriptEnable || !ytdFlexyElm) return;
  3112.  
  3113.       if (mtf_forceCheckLiveVideo_disable === 2) {
  3114.  
  3115.       } else if (!isCommentHidden) {
  3116.  
  3117.         ytdFlexyElm.setAttribute('tyt-comments', 'Kv');
  3118.         if (!fetchCounts.fetched) {
  3119.           emptyCommentSection();
  3120.         }
  3121.         //_console.log(9360, 71);
  3122.         tabBtn.classList.remove("tab-btn-hidden") //if contains
  3123.  
  3124.       } else if (isCommentHidden) {
  3125.  
  3126.         ytdFlexyElm.setAttribute('tyt-comments', 'Kh');
  3127.         if (pageType === 'watch' && Q.comments_section_loaded === 1) {
  3128.           emptyCommentSection();
  3129.           _console.log(9360, 72);
  3130.         }
  3131.  
  3132.       }
  3133.  
  3134.  
  3135.     },
  3136.  
  3137.     mtf_attrChatroom: (attrName, newValue) => {
  3138.       //attr mutation checker - {ytd-live-chat-frame#chat} \single
  3139.       //::attr ~ collapsed
  3140.  
  3141.       const ytdFlexyElm = es.ytdFlexy;
  3142.       if (!scriptEnable || !ytdFlexyElm) return;
  3143.       if (pageType !== 'watch') return;
  3144.  
  3145.       setToggleBtnTxt();
  3146.  
  3147.       layoutStatusMutex.lockWith(unlock => {
  3148.  
  3149.         const chatBlock = document.querySelector('ytd-live-chat-frame#chat')
  3150.         /** @type {HTMLElement | null} */
  3151.         const cssElm = es.ytdFlexy;
  3152.  
  3153.         if (!chatBlock || !cssElm) {
  3154.           unlock();
  3155.           return;
  3156.         }
  3157.  
  3158.         if (pageType !== 'watch') {
  3159.           unlock();
  3160.           return;
  3161.         }
  3162.  
  3163.         let newAttrV = '';
  3164.         //mtf_attrChatroom => chat exist => tyt-chat non-null
  3165.  
  3166.         let isCollapsed = !!chatBlock.hasAttribute('collapsed');
  3167.  
  3168.         let currentAttr = cssElm.getAttribute('tyt-chat');
  3169.  
  3170.         if (currentAttr !== null) { //string     // [+-]?[az]+[az\$]+
  3171.           let isPlusMinus = currentAttr.charCodeAt(0) < 46; // 43 OR 45
  3172.           if (isPlusMinus) newAttrV = currentAttr.substring(1);
  3173.         }
  3174.  
  3175.         if (isCollapsed) newAttrV = `-${newAttrV}`;
  3176.         if (!isCollapsed) newAttrV = `+${newAttrV}`;
  3177.  
  3178.         wAttr(cssElm, 'tyt-chat', newAttrV);
  3179.  
  3180.  
  3181.         if (typeof newAttrV === 'string' && !isCollapsed) lstTab.lastPanel = '#chatroom';
  3182.  
  3183.         if (!isCollapsed && document.querySelector('#right-tabs .tab-btn.active') && isWideScreenWithTwoColumns() && !isTheater()) {
  3184.           switchTabActivity(null);
  3185.           timeline.setTimeout(unlock, 40);
  3186.         } else {
  3187.           unlock();
  3188.         }
  3189.  
  3190.         if (isCollapsed) {
  3191.           chatBlock.removeAttribute('tyt-iframe-loaded');
  3192.           // buggy; this section might not be correctly executed.
  3193.           // guess no collaspe change but still iframe will distory and reload.
  3194.           let btn = document.querySelector('tyt-iframe-popup-btn')
  3195.           if(btn) btn.remove();
  3196.         }
  3197.  
  3198.       })
  3199.  
  3200.  
  3201.     },
  3202.  
  3203.     mtf_attrEngagementPanel: ( /** @type {MutationRecord[]} */ mutations, /** @type {MutationObserver} */ observer) => {
  3204.       //attr mutation checker - {ytd-engagement-panel-section-list-renderer} \mutiple
  3205.       //::attr ~ visibility
  3206.  
  3207.       const cssElm = es.ytdFlexy;
  3208.       if (!scriptEnable || !cssElm) return;
  3209.       let found = null
  3210.       if (mutations === 9) {
  3211.         found = observer
  3212.       } else {
  3213.         if (document.querySelector('ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility="ENGAGEMENT_PANEL_VISIBILITY_EXPANDED"]:not([hidden])')) {
  3214.           // do nothing
  3215.         } else {
  3216.           mtoVisibility_EngagementPanel.clear(true)
  3217.           storeLastPanel = null;
  3218.           wAttr(cssElm, 'tyt-ep-visible', false);
  3219.         }
  3220.         return
  3221.       }
  3222.       let nextValue = engagement_panels_().value;
  3223.       let previousValue = +cssElm.getAttribute('tyt-ep-visible') || 0;
  3224.       if (nextValue === 0 || previousValue === nextValue) return
  3225.       cssElm.setAttribute('tyt-ep-visible', nextValue);
  3226.       lstTab.lastPanel = `#engagement-panel-${nextValue}`;
  3227.       storeLastPanel = mWeakRef(found)
  3228.       let tabsDeferredSess = pageSession.session();
  3229.       if (!scriptEnable && tabsDeferred.resolved) { }
  3230.       else tabsDeferred.debounce(() => {
  3231.         if (!tabsDeferredSess.isValid) return;
  3232.         tabsDeferredSess = null;
  3233.         if (es.storeLastPanel !== found) return
  3234.         layoutStatusMutex.lockWith(unlock => {
  3235.           if (es.storeLastPanel === found && whenEngagemenetPanelVisible()) {
  3236.             timeline.setTimeout(unlock, 40);
  3237.           } else {
  3238.             unlock();
  3239.           }
  3240.         })
  3241.       })
  3242.     }
  3243.  
  3244.   }
  3245.  
  3246.  
  3247.   function variableResets() {
  3248.  
  3249.     // reset variables when it is confirmed a new page is loaded
  3250.  
  3251.     lstTab =
  3252.     {
  3253.       lastTab: null, //tab-xxx
  3254.       lastPanel: null,
  3255.       last: null
  3256.     };
  3257.  
  3258.     scriptEnable = false;
  3259.     ytdFlexy = null;
  3260.     wls.layoutStatus = 0;
  3261.  
  3262.     mtoVisibility_Playlist.clear(true)
  3263.     mtoVisibility_Comments.clear(true)
  3264.  
  3265.     mtoVisibility_Chatroom.clear(true)
  3266.     mtoFlexyAttr.clear(true)
  3267.  
  3268.  
  3269.     for (const elem of document.querySelectorAll('ytd-expander[tabview-info-expander]')) {
  3270.       elem.removeAttribute('tabview-info-expander');
  3271.     }
  3272.  
  3273.     mtf_chatBlockQ = null;
  3274.  
  3275.   }
  3276.  
  3277.  
  3278.   function getWord(tag) {
  3279.     return langWords[pageLang][tag] || langWords['en'][tag] || '';
  3280.   }
  3281.  
  3282.  
  3283.   function getTabsHTML() {
  3284.  
  3285.     const sTabBtnVideos = `${svgElm(16, 16, 90, 90, svgVideos)}<span>${getWord('videos')}</span>`;
  3286.     const sTabBtnInfo = `${svgElm(16, 16, 60, 60, svgInfo)}<span>${getWord('info')}</span>`;
  3287.     const sTabBtnPlayList = `${svgElm(16, 16, 20, 20, svgPlayList)}<span>${getWord('playlist')}</span>`;
  3288.  
  3289.     let str1 = `
  3290.         <paper-ripple class="style-scope yt-icon-button">
  3291.             <div id="background" class="style-scope paper-ripple" style="opacity:0;"></div>
  3292.             <div id="waves" class="style-scope paper-ripple"></div>
  3293.         </paper-ripple>
  3294.         `;
  3295.  
  3296.     let str_fbtns = `
  3297.     <div class="font-size-right">
  3298.     <div class="font-size-btn font-size-plus" tyt-di="8rdLQ">
  3299.     <svg width="12" height="12" viewbox="0 0 50 50" preserveAspectRatio="xMidYMid meet" 
  3300.     stroke="currentColor" stroke-width="6" stroke-linecap="round" vector-effect="non-scaling-size">
  3301.       <path d="M12 25H38M25 12V38"/>
  3302.     </svg>
  3303.     </div><div class="font-size-btn font-size-minus" tyt-di="8rdLQ">
  3304.     <svg width="12" height="12" viewbox="0 0 50 50" preserveAspectRatio="xMidYMid meet"
  3305.     stroke="currentColor" stroke-width="6" stroke-linecap="round" vector-effect="non-scaling-size">
  3306.       <path d="M12 25h26"/>
  3307.     </svg>
  3308.     </div>
  3309.     </div>
  3310.     `.replace(/[\r\n]+/g, '');
  3311.  
  3312.     const str_tabs = [
  3313.       `<a id="tab-btn1" tyt-di="q9Kjc" tyt-tab-content="#tab-info" class="tab-btn">${sTabBtnInfo}${str1}${str_fbtns}</a>`,
  3314.       `<a id="tab-btn3" tyt-di="q9Kjc" tyt-tab-content="#tab-comments" class="tab-btn">${svgElm(16, 16, 120, 120, svgComments)}<span id="tyt-cm-count"></span>${str1}${str_fbtns}</a>`,
  3315.       `<a id="tab-btn4" tyt-di="q9Kjc" tyt-tab-content="#tab-videos" class="tab-btn">${sTabBtnVideos}${str1}${str_fbtns}</a>`,
  3316.       `<a id="tab-btn5" tyt-di="q9Kjc" tyt-tab-content="#tab-list" class="tab-btn tab-btn-hidden">${sTabBtnPlayList}${str1}${str_fbtns}</a>`
  3317.     ].join('');
  3318.  
  3319.     let addHTML = `
  3320.         <div id="right-tabs">
  3321.             <tabview-view-pos-thead></tabview-view-pos-thead>
  3322.             <header>
  3323.                 <div id="material-tabs">
  3324.                     ${str_tabs}
  3325.                 </div>
  3326.             </header>
  3327.             <div class="tab-content">
  3328.                 <div id="tab-info" class="tab-content-cld tab-content-hidden" userscript-scrollbar-render></div>
  3329.                 <div id="tab-comments" class="tab-content-cld tab-content-hidden" userscript-scrollbar-render></div>
  3330.                 <div id="tab-videos" class="tab-content-cld tab-content-hidden" userscript-scrollbar-render></div>
  3331.                 <div id="tab-list" class="tab-content-cld tab-content-hidden" userscript-scrollbar-render></div>
  3332.             </div>
  3333.         </div>
  3334.         `;
  3335.  
  3336.     return addHTML;
  3337.  
  3338.   }
  3339.  
  3340.   function getLang() {
  3341.  
  3342.     let lang = 'en';
  3343.     let htmlLang = ((document || 0).documentElement || 0).lang || '';
  3344.     switch (htmlLang) {
  3345.       case 'en':
  3346.       case 'en-GB':
  3347.         lang = 'en';
  3348.         break;
  3349.       case 'de':
  3350.       case 'de-DE':
  3351.         lang = 'du';
  3352.         break;
  3353.       case 'fr':
  3354.       case 'fr-CA':
  3355.       case 'fr-FR':
  3356.         lang = 'fr';
  3357.         break;
  3358.       case 'zh-Hant':
  3359.       case 'zh-Hant-HK':
  3360.       case 'zh-Hant-TW':
  3361.         lang = 'tw';
  3362.         break;
  3363.       case 'zh-Hans':
  3364.       case 'zh-Hans-CN':
  3365.         lang = 'cn';
  3366.         break;
  3367.       case 'ja':
  3368.       case 'ja-JP':
  3369.         lang = 'jp';
  3370.         break;
  3371.       case 'ko':
  3372.       case 'ko-KR':
  3373.         lang = 'kr';
  3374.         break;
  3375.       case 'ru':
  3376.       case 'ru-RU':
  3377.         lang = 'ru';
  3378.         break;
  3379.       default:
  3380.         lang = 'en';
  3381.     }
  3382.  
  3383.     if (langWords[lang]) pageLang = lang; else pageLang = 'en';
  3384.  
  3385.   }
  3386.  
  3387.   // function checkEvtTarget(evt, nodeNames) {
  3388.   //   return nodeNames.includes((((evt || 0).target || 0).nodeName || 0));
  3389.   // }
  3390.  
  3391.   function pageCheck() {
  3392.     // yt-player-updated
  3393.     // yt-page-data-updated
  3394.     // yt-watch-comments-ready - omitted
  3395.     // [is-two-columns_] attr changed => layout changed
  3396.  
  3397.     /** @type {HTMLElement | null} */
  3398.     const ytdFlexyElm = es.ytdFlexy;
  3399.     if (!scriptEnable || !ytdFlexyElm) return;
  3400.  
  3401.     let comments = querySelectorFromAnchor.call(ytdFlexyElm, '#primary.ytd-watch-flexy ytd-watch-metadata ~ ytd-comments#comments');
  3402.     if (comments) {
  3403.       let tabComments = document.querySelector('#tab-comments');
  3404.       if (tabComments) {
  3405.         tabComments.appendChild(comments);
  3406.       }
  3407.     }
  3408.  
  3409.     mtf_append_playlist(null); // playlist relocated after layout changed
  3410.  
  3411.     fixTabs();
  3412.  
  3413.     mtf_autocomplete_search();
  3414.  
  3415.   }
  3416.  
  3417.   function globalHook(eventType, func) {
  3418.     if (!func) return;
  3419.  
  3420.     const count = (globalHook_hashs[eventType] || 0) + 1;
  3421.  
  3422.     globalHook_hashs[eventType] = count;
  3423.  
  3424.     const s = globalHook_symbols[count - 1] || (globalHook_symbols[count - 1] = Symbol());
  3425.  
  3426.     document.addEventListener(eventType, function (evt) {
  3427.       if (evt[s]) return;
  3428.       evt[s] = true;
  3429.       new Promise(() => {
  3430.         func(evt);
  3431.       })
  3432.  
  3433.     }, capturePassive)
  3434.  
  3435.   }
  3436.  
  3437.   async function makeHeaderFloat() {
  3438.     if (isMakeHeaderFloatCalled) return;
  3439.     isMakeHeaderFloatCalled = true;
  3440.     await Promise.resolve(0);
  3441.  
  3442.  
  3443.     const [header, headerP, navElm] = await Promise.all([
  3444.       new Promise(f => f(document.querySelector("#right-tabs header"))),
  3445.  
  3446.       new Promise(f => f(document.querySelector("#right-tabs tabview-view-pos-thead"))),
  3447.  
  3448.       new Promise(f => f(document.querySelector('#masthead-container, #masthead')))
  3449.  
  3450.     ]);
  3451.  
  3452.  
  3453.     let ito_dt = 0;
  3454.     let ito = new IntersectionObserver((entries) => {
  3455.  
  3456.       let xyStatus = null;
  3457.  
  3458.       //console.log(entries);
  3459.  
  3460.       let xRect = null;
  3461.       let rRect = null;
  3462.  
  3463.       for (const entry of entries) {
  3464.         if (!entry.boundingClientRect || !entry.rootBounds) continue; // disconnected from DOM tree
  3465.         if (!entry.isIntersecting && entry.boundingClientRect.y <= entry.rootBounds.top && entry.boundingClientRect.y < entry.rootBounds.bottom) {
  3466.           xyStatus = 2;
  3467.           xRect = entry.boundingClientRect;
  3468.           rRect = entry.rootBounds;
  3469.         } else if (entry.isIntersecting && entry.boundingClientRect.y >= entry.rootBounds.top && entry.boundingClientRect.y < entry.rootBounds.bottom) {
  3470.           xyStatus = 1;
  3471.           xRect = entry.boundingClientRect;
  3472.           rRect = entry.rootBounds;
  3473.         }
  3474.       }
  3475.       let p = wls.layoutStatus;
  3476.       //console.log(document.documentElement.clientWidth)
  3477.       if (xyStatus !== null) {
  3478.  
  3479.         if (xyStatus === 2 && isStickyHeaderEnabled === true) {
  3480.  
  3481.         } else if (xyStatus === 1 && isStickyHeaderEnabled === false) {
  3482.  
  3483.         } else {
  3484.           singleColumnScrolling2(xyStatus, xRect.width, {
  3485.             left: xRect.left,
  3486.             right: rRect.width - xRect.right
  3487.           });
  3488.         }
  3489.  
  3490.       }
  3491.  
  3492.       let tdt = Date.now();
  3493.       ito_dt = tdt;
  3494.       setTimeout(() => {
  3495.         if (ito_dt !== tdt) return;
  3496.         if (p !== wls.layoutStatus) singleColumnScrolling();
  3497.       }, 300)
  3498.  
  3499.     },
  3500.       {
  3501.         rootMargin: `0px 0px 0px 0px`,
  3502.         threshold: [0]
  3503.       })
  3504.  
  3505.     ito.observe(headerP)
  3506.  
  3507.   }
  3508.  
  3509.   function checkPlaylistForInitialization() {
  3510.     // if the page url is with playlist; renderer event might not occur.
  3511.  
  3512.     // playlist already added to dom; this is to set the visibility event and change hidden status
  3513.  
  3514.     let m_playlist = document.querySelector(`#tab-list ytd-playlist-panel-renderer#playlist:not([o3r-${sa_playlist}])`)
  3515.  
  3516.     // once per {ytd-playlist-panel-renderer#playlist} detection
  3517.  
  3518.     _console.log(3902, !!m_playlist)
  3519.  
  3520.     const ytdFlexyElm = es.ytdFlexy;
  3521.     if (!scriptEnable || !ytdFlexyElm) { }
  3522.     else if (m_playlist) {
  3523.  
  3524.       if (mtoVisibility_Playlist.bindElement(m_playlist)) {
  3525.         mtoVisibility_Playlist.observer.check(9); //delay check required for browser bug - hidden changed not triggered 
  3526.       }
  3527.       m_playlist = null;
  3528.  
  3529.     }
  3530.  
  3531.     FP.mtf_attrPlaylist();
  3532.  
  3533.     Promise.resolve(0).then(() => {
  3534.       // ['tab-btn', 'tab-btn', 'tab-btn active', 'tab-btn tab-btn-hidden']
  3535.       // bug
  3536.       const ytdFlexyElm = es.ytdFlexy;
  3537.       if (!scriptEnable || !ytdFlexyElm) return;
  3538.       if (!switchTabActivity_lastTab && (ytdFlexyElm.getAttribute('tyt-tab') + '').indexOf('#tab-') === 0 && /https\:\/\/www\.youtube\.com\/watch.*[\?\&]list=[\w\-\_]+/.test(location.href)) {
  3539.         if (setToActiveTab('#tab-list')) switchTabActivity_lastTab = '#tab-list';
  3540.       }
  3541.     })
  3542.  
  3543.   }
  3544.  
  3545.  
  3546.   const _pageBeingInit = function () {
  3547.  
  3548.     pageSession.inc();
  3549.     if (pageSession.sid > 9e9) pageSession.sid = 9;
  3550.  
  3551.     fetchCounts = {
  3552.       base: null,
  3553.       new: null,
  3554.       fetched: false,
  3555.       count: null
  3556.     }
  3557.     pageFetchedData = null;
  3558.     pageFetchedDataVideoId = null;
  3559.     chatroomDetails = null;
  3560.   }
  3561.  
  3562.   const pageBeingInit = function () {
  3563.  
  3564.     // call regardless pageType
  3565.     // run once on / before pageSeq2
  3566.  
  3567.     let action = 0;
  3568.     if (tabsDeferred.resolved) {
  3569.       action = 1;
  3570.     } else if (renderDeferred.resolved) {
  3571.       // in case , rarely, tabsDeferred not yet resolved but animateLoadDeferred resolved
  3572.       action = 2;
  3573.     }
  3574.     
  3575.     renderIdentifier++;
  3576.     if (renderIdentifier > 1e9) renderIdentifier = 9;
  3577.     renderDeferred.reset();
  3578.  
  3579.     if (action === 1) {
  3580.       comments_loader = 1;
  3581.       tabsDeferred.reset();
  3582.       if ((firstLoadStatus & 8) === 0) {
  3583.         innerDOMCommentsCountLoader(); //ensure the previous record is saved
  3584.         // no need to cache to the rendering state
  3585.         _pageBeingInit();
  3586.       } else if ((firstLoadStatus & 2) === 2) {
  3587.         firstLoadStatus -= 2;
  3588.         script_inject_js1.inject();
  3589.       }
  3590.       _console.log('pageBeingInit', firstLoadStatus)
  3591.     }
  3592.  
  3593.     if (pageRendered === 2) {
  3594.       pageRendered = 0;
  3595.       let elmPL = document.querySelector('tabview-view-ploader');
  3596.       if (elmPL) elmPL.remove();
  3597.       pageRendered = 0;
  3598.     }
  3599.  
  3600.     if (!scriptletDeferred.resolved) {
  3601.       // just in case, should not happen this.
  3602.       // this is to clear the pending queue if scriptlet is not ready.
  3603.       scriptletDeferred.reset();
  3604.     }
  3605.  
  3606.   };
  3607.  
  3608.   const advanceFetch = async function () {
  3609.     if (pageType === 'watch' && !fetchCounts.new && !fetchCounts.fetched) {
  3610.       renderDeferred.resolved && resultCommentsCountCaching(innerDOMCommentsCountLoader());
  3611.       if (renderDeferred.resolved && !fetchCounts.new) {
  3612.         window.dispatchEvent(new Event("scroll"));
  3613.       }
  3614.     }
  3615.   };
  3616.  
  3617.   function getFinalComments() {
  3618.  
  3619.     if ((comments_loader & 3) === 3) { } else return;
  3620.     comments_loader = 0;
  3621.  
  3622.     let ei = 0;
  3623.  
  3624.     function execute() {
  3625.       //sync -> animateLoadDeferred.resolved always true
  3626.  
  3627.       if (!renderDeferred.resolved) return;
  3628.  
  3629.       _console.log(2323)
  3630.  
  3631.       if (Q.comments_section_loaded !== 0) return;
  3632.       if (fetchCounts.fetched) return;
  3633.  
  3634.  
  3635.       let ret = innerDOMCommentsCountLoader();
  3636.       resultCommentsCountCaching(ret);
  3637.  
  3638.       if (fetchCounts.new && !fetchCounts.fetched) {
  3639.  
  3640.         _console.log(4512, 4, Q.comments_section_loaded, fetchCounts.new, !fetchCounts.fetched)
  3641.         if (fetchCounts.new.f()) {
  3642.           fetchCounts.fetched = true;
  3643.           _console.log(9972, 'fetched = true')
  3644.           fetchCommentsFinished();
  3645.         }
  3646.  
  3647.         return;
  3648.       }
  3649.  
  3650.  
  3651.       ei++;
  3652.  
  3653.       if (fetchCounts.base && !fetchCounts.new && !fetchCounts.fetched && fetchCounts.count === 1) {
  3654.  
  3655.  
  3656.         let elm = kRef(fetchCounts.base.elm);
  3657.         let txt = elm ? getCountHText(elm) : null;
  3658.         let condi1 = ei > 7;
  3659.         let condi2 = txt === m_last_count;
  3660.         if (condi1 || condi2) {
  3661.  
  3662.           if (fetchCounts.base.f()) {
  3663.             fetchCounts.fetched = true;
  3664.             _console.log(9972, 'fetched = true')
  3665.             //return true;
  3666.             fetchCommentsFinished();
  3667.           }
  3668.  
  3669.         }
  3670.  
  3671.       }
  3672.  
  3673.       if (!fetchCounts.fetched) {
  3674.         if (ei > 7) {
  3675.           let elm = ret.length === 1 ? kRef(ret[0].elm) : null;
  3676.           let txt = elm ? getCountHText(elm) : null;
  3677.           if (elm && txt !== m_last_count) {
  3678.             fetchCounts.base = null;
  3679.             fetchCounts.new = ret[0];
  3680.             fetchCounts.new.f();
  3681.             fetchCounts.fetched = true;
  3682.             _console.log(9979, 'fetched = true')
  3683.             fetchCommentsFinished();
  3684.           }
  3685.           return;
  3686.         }
  3687.         return true;
  3688.       }
  3689.  
  3690.     }
  3691.  
  3692.  
  3693.     async function alCheckFn(ks) {
  3694.  
  3695.       let alCheckCount = 9;
  3696.       let alCheckInterval = 420;
  3697.  
  3698.       do {
  3699.  
  3700.         if (renderIdentifier !== ks) break;
  3701.         if (alCheckCount === 0) break;
  3702.         if (execute() !== true) break;
  3703.         --alCheckCount;
  3704.  
  3705.         await new Promise(r => setTimeout(r, alCheckInterval));
  3706.  
  3707.       } while (true)
  3708.  
  3709.     }
  3710.     let ks = renderIdentifier;
  3711.     renderDeferred.debounce(() => {
  3712.       if (ks !== renderIdentifier) return
  3713.       alCheckFn(ks);
  3714.  
  3715.     });
  3716.  
  3717.  
  3718.   }
  3719.  
  3720.  
  3721.   let g_check_detail_A = 0;
  3722.   let checkDuplicateRes = null;
  3723.   function setHiddenStateForDesc(){
  3724.     let ytdFlexyElm = es.ytdFlexy
  3725.     if (!ytdFlexyElm) return
  3726.     let hiddenBool = !document.fullscreenElement ? ytdFlexyElm.classList.contains('tabview-info-duplicated') : false
  3727.     let elm
  3728.     elm = document.querySelector('.tabview-info-duplicated-checked[flexy] ytd-watch-metadata.ytd-watch-flexy[modern-metapanel] #description #plain-snippet-text')
  3729.     if (elm) {
  3730.       wAttr(elm, 'hidden', hiddenBool)
  3731.     }
  3732.     elm = document.querySelector('.tabview-info-duplicated-checked[flexy] ytd-watch-metadata.ytd-watch-flexy[modern-metapanel] #description #formatted-snippet-text')
  3733.     if (elm) {
  3734.       wAttr(elm, 'hidden', hiddenBool)
  3735.     }
  3736.   }
  3737.   function checkDuplicatedInfo_then(isCheck, checkDuplicateRes) {
  3738.  
  3739.     const ytdFlexyElm = es.ytdFlexy;
  3740.     if (!ytdFlexyElm) return; //unlikely
  3741.  
  3742.     let cssbool_c1 = false, cssbool_c2 = false, cssbool_c3 = false;
  3743.     if (isCheck === 5) {
  3744.  
  3745.       if (ytdFlexyElm.matches('.tabview-info-duplicated[flexy]')) {
  3746.         cssbool_c1 = !!querySelectorFromAnchor.call(ytdFlexyElm, '#description.style-scope.ytd-watch-metadata > #description-inner:only-child');
  3747.         cssbool_c2 = !!querySelectorFromAnchor.call(ytdFlexyElm, '#tab-info ytd-expander #description.ytd-video-secondary-info-renderer');
  3748.         cssbool_c2 = !!querySelectorFromAnchor.call(ytdFlexyElm, '#tab-info ytd-expander ytd-rich-metadata-renderer.ytd-rich-metadata-row-renderer');
  3749.       }
  3750.  
  3751.       if (typeof checkDuplicateRes === 'boolean') {
  3752.         setHiddenStateForDesc();
  3753.       }
  3754.     }
  3755.  
  3756.     ytdFlexyElm.setAttribute('tyt-has', `${cssbool_c1 ? 'A' : 'a'}${cssbool_c2 ? 'B' : 'b'}${cssbool_c3 ? 'C' : 'c'}`);
  3757.  
  3758.   }
  3759.   function checkDuplicatedInfo(req) {
  3760.     // console.log('checkDuplicatedInfo')
  3761.  
  3762.  
  3763.     async function checkDuplicatedInfoContentEqual(desc1, desc2) {
  3764.       // basically desc1 and desc2 are content identical
  3765.       // however, class name order could be different
  3766.  
  3767.       let txt1 = new Promise(r => r(desc1.textContent))
  3768.  
  3769.       let txt2 = new Promise(r => r(desc2.textContent))
  3770.  
  3771.  
  3772.       let [res1, res2] = await Promise.all([txt1, txt2]);
  3773.  
  3774.       return { res: res1 === res2 }
  3775.     }
  3776.  
  3777.     async function checkDuplicatedInfoInner() {
  3778.  
  3779.       const ytdFlexyElm = es.ytdFlexy;
  3780.       if (!ytdFlexyElm) return; //unlikely
  3781.  
  3782.       let t = Date.now();
  3783.       g_check_detail_A = t;
  3784.  
  3785.       ytdFlexyElm.classList.toggle('tabview-info-duplicated', true) // hide first;
  3786.  
  3787.       await new Promise(resolve => setTimeout(resolve, 1)); // mcrcr might be not yet initalized
  3788.  
  3789.  
  3790.       if (g_check_detail_A !== t) return;
  3791.  
  3792.       let elm
  3793.       elm = document.querySelector('.tabview-info-duplicated-checked[flexy] ytd-watch-metadata.ytd-watch-flexy[modern-metapanel] #description #plain-snippet-text')
  3794.       if (elm) {
  3795.         wAttr(elm, 'hidden', false)
  3796.       }
  3797.       elm = document.querySelector('.tabview-info-duplicated-checked[flexy] ytd-watch-metadata.ytd-watch-flexy[modern-metapanel] #description #formatted-snippet-text')
  3798.       if (elm) {
  3799.         wAttr(elm, 'hidden', false)
  3800.       }
  3801.       await Promise.resolve(0);
  3802.  
  3803.       // the class added before can be removed from the external coding
  3804.  
  3805.       function mrcrf(mrcr) {
  3806.         let tmp;
  3807.         if (mrcr) {
  3808.           if (tmp = querySelectorFromAnchor.call(mrcr, '#always-shown[hidden]:empty')) tmp.removeAttribute('hidden')
  3809.           if (tmp = querySelectorFromAnchor.call(mrcr, '#collapsible[hidden]:empty')) tmp.removeAttribute('hidden')
  3810.         }
  3811.       }
  3812.  
  3813.       let mrcr1 = document.querySelector('ytd-watch-metadata.ytd-watch-flexy[modern-metapanel] > ytd-metadata-row-container-renderer.style-scope.ytd-watch-metadata')
  3814.       mrcrf(mrcr1);
  3815.       await Promise.resolve(0);
  3816.       let mrcr2 = document.querySelector('ytd-expander.ytd-video-secondary-info-renderer ytd-metadata-row-container-renderer.style-scope.ytd-video-secondary-info-renderer')
  3817.       mrcrf(mrcr2);
  3818.       await Promise.resolve(0);
  3819.  
  3820.       let desc1 = null;
  3821.       let desc2 = document.querySelector('ytd-expander.ytd-video-secondary-info-renderer #description.style-scope.ytd-video-secondary-info-renderer > yt-formatted-string.content.style-scope.ytd-video-secondary-info-renderer[split-lines]:not(:empty)');
  3822.       await Promise.resolve(0);
  3823.  
  3824.       if (desc2 && desc2.firstElementChild === null) {
  3825.         // plainText = true;
  3826.         desc1 = document.querySelector('ytd-text-inline-expander#description-inline-expander.style-scope.ytd-watch-metadata #plain-snippet-text.ytd-text-inline-expander');
  3827.       }
  3828.       if (!desc1) desc1 = document.querySelector('ytd-text-inline-expander#description-inline-expander.style-scope.ytd-watch-metadata yt-formatted-string#formatted-snippet-text.style-scope.ytd-text-inline-expander:not(:empty)');
  3829.       await Promise.resolve(0);
  3830.  
  3831.       if (desc1) {
  3832.         let parentContainer = req.descMetaLines;
  3833.         // hidden
  3834.  
  3835.         // example video
  3836.         // https://www.youtube.com/watch?v=R65uouhSYJ0
  3837.  
  3838.         if (parentContainer) {
  3839.  
  3840.           let m = querySelectorFromAnchor.call(parentContainer, 'ytd-text-inline-expander#description-inline-expander.style-scope.ytd-watch-metadata yt-formatted-string[split-lines].ytd-text-inline-expander');
  3841.  
  3842.           if (m) {
  3843.  
  3844.             if (m.hasAttribute('hidden')) {
  3845.  
  3846.               let expandBtn = querySelectorFromAnchor.call(parentContainer, 'tp-yt-paper-button#expand.ytd-text-inline-expander:not([hidden])');
  3847.  
  3848.               if (expandBtn) {
  3849.  
  3850.                 expandBtn.click();
  3851.                 await new Promise(r => setTimeout(r, 30));
  3852.                 if (!m.hasAttribute('hidden')) desc1 = m;
  3853.               }
  3854.  
  3855.             } else {
  3856.  
  3857.               desc1 = m;
  3858.  
  3859.             }
  3860.  
  3861.           }
  3862.  
  3863.         }
  3864.       }
  3865.  
  3866.       //console.log(desc1, desc2)
  3867.  
  3868.       let infoDuplicated = true;
  3869.  
  3870.       let mb1 = null, mb2 = null;
  3871.  
  3872.       if (desc2 === null && desc1 !== null && desc1.textContent === '') {
  3873.         // example: https://www.youtube.com/watch?v=l9m3OpH9pbI
  3874.         desc1 = null
  3875.       }
  3876.  
  3877.       if ((desc1 === null) ^ (desc2 === null)) {
  3878.         infoDuplicated = false;
  3879.       } else if ((mrcr1 === null) ^ (mrcr2 === null)) {
  3880.         infoDuplicated = false;
  3881.       } else {
  3882.  
  3883.         await Promise.all([
  3884.  
  3885.           (mrcr1 !== mrcr2 && mrcr1 !== null && mrcr2 !== null) ?
  3886.             checkDuplicatedInfoContentEqual(mrcr1, mrcr2).then((o) => {
  3887.               //console.log('mrcr', o.res)
  3888.               let { res, pNodeA, pNodeB } = o;
  3889.               mb1 = res;
  3890.  
  3891.               if (res !== true) infoDuplicated = false;
  3892.             }) : null,
  3893.  
  3894.           (desc1 !== desc2 && desc1 !== null && desc2 !== null) ?
  3895.             checkDuplicatedInfoContentEqual(desc1, desc2).then((o) => {
  3896.               //console.log('desc', o.res)
  3897.               let { res, pNodeA, pNodeB } = o;
  3898.               mb2 = res;
  3899.  
  3900.               if (!mb2) {
  3901.                 // console.log('mb2', desc1, desc2, desc1.textContent, desc2.textContent)
  3902.               }
  3903.  
  3904.               if (res !== true) infoDuplicated = false;
  3905.  
  3906.             }) : null
  3907.  
  3908.         ]);
  3909.  
  3910.       }
  3911.       req = null;
  3912.  
  3913.       console.log('check-info-duplicate', `r|${infoDuplicated ? 1 : 0}, b1|${mb1 ? 1 : 0}, b2|${mb2 ? 1 : 0}`)
  3914.  
  3915.       if (g_check_detail_A !== t) return;
  3916.  
  3917.       //ytdFlexyElm.classList.toggle('tabview-info-duplicated', infoDuplicated)
  3918.       checkDuplicateRes = infoDuplicated;
  3919.  
  3920.       return 5; // other than 5, duplicated check = false
  3921.  
  3922.     };
  3923.  
  3924.  
  3925.     return checkDuplicatedInfoInner();
  3926.  
  3927.  
  3928.   }
  3929.  
  3930.  
  3931.   function setupChatFrameDOM(node) {
  3932.     // this function calls 3 times per each new video page
  3933.  
  3934.     // 'tyt-chat' is initialized in setupChatFrameDisplayState1()
  3935.  
  3936.     if (!chatroomDetails) return;
  3937.     let liveChatFrame = node || document.querySelector('ytd-live-chat-frame#chat')
  3938.     if (liveChatFrame) {
  3939.  
  3940.       // every per [new] {ytd-live-chat-frame#chat} detection - reset after mini-playview
  3941.  
  3942.       let ytdFlexyElm = es.ytdFlexy;
  3943.       if (scriptEnable && ytdFlexyElm) {
  3944.         if (mtoVisibility_Chatroom.bindElement(liveChatFrame)) {
  3945.           mtoVisibility_Chatroom.observer.check(9)
  3946.         }
  3947.       }
  3948.  
  3949.       liveChatFrame = null;
  3950.       ytdFlexyElm = null;
  3951.  
  3952.       setToggleBtnTxt(); // immediate update when page changed
  3953.  
  3954.       if (node !== null) {
  3955.         // button might not yet be rendered
  3956.         requestAnimationFrame(setToggleBtnTxt); // bool = true must be front page
  3957.       } else {
  3958.  
  3959.         // this is due to page change
  3960.         let incorrectChat = document.querySelector('ytd-watch-flexy[is-two-columns_][theater] ytd-live-chat-frame#chat:not([collapsed])')
  3961.         if (incorrectChat) {
  3962.           incorrectChat.setAttribute('collapsed', '')
  3963.         }
  3964.  
  3965.       }
  3966.  
  3967.     }
  3968.  
  3969.   }
  3970.  
  3971.   function whenEngagemenetPanelVisible() {
  3972.  
  3973.     const layoutStatus = wls.layoutStatus;
  3974.     if ((layoutStatus & (LAYOUT_TWO_COLUMNS | LAYOUT_THEATER)) === LAYOUT_TWO_COLUMNS) {
  3975.  
  3976.       if (layoutStatus & LAYOUT_TAB_EXPANDED) {
  3977.         switchTabActivity(null);
  3978.         return true;
  3979.       } else if (layoutStatus & LAYOUT_CHATROOM_EXPANDED) {
  3980.         ytBtnCollapseChat();
  3981.         return true;
  3982.       }
  3983.  
  3984.     }
  3985.  
  3986.     return false;
  3987.  
  3988.   }
  3989.  
  3990.  
  3991.   function removeFocusOnLeave(evt) {
  3992.     let node = (evt || 0).target || 0
  3993.     let activeElement = document.activeElement || 0
  3994.     if (node.nodeType === 1 && activeElement.nodeType === 1) {
  3995.       new Promise(() => {
  3996.         if (node.contains(activeElement)) {
  3997.           activeElement.blur();
  3998.         }
  3999.       })
  4000.     }
  4001.   }
  4002.  
  4003.   async function setupVideo(node){
  4004.     // this can be fired even in background without tabs rendered
  4005.     const attrKey = 'gM7Cp'
  4006.     let video = querySelectorFromAnchor.call(node, `#movie_player video[src]:not([${attrKey}])`);
  4007.     if (video) {
  4008.       video.setAttribute(attrKey, '')
  4009.  
  4010.       video.addEventListener('timeupdate', (evt) => {
  4011.         energizedByVideoTimeUpdate();
  4012.       }, bubblePassive);
  4013.  
  4014.       video.addEventListener('ended', (evt) => {
  4015.         // scrollIntoView => auto start next video
  4016.         // otherwise it cannot auto paly next
  4017.         if (pageType === 'watch') {
  4018.           let elm = evt.target;
  4019.           Promise.resolve(elm).then((elm) => {
  4020.             if (pageType === 'watch') {
  4021.               let scrollElm = closestDOM.call(elm, '#player') || closestDOM.call(elm, '#ytd-player') || elm;
  4022.               // background applicable
  4023.               scrollElm.scrollIntoView(false);
  4024.               scrollElm = null
  4025.             }
  4026.             elm = null
  4027.           });
  4028.         }
  4029.  
  4030.       }, bubblePassive)
  4031.  
  4032.     }
  4033.   }
  4034.  
  4035.   globalHook('yt-player-updated', (evt) => {
  4036.  
  4037.     const node = ((evt || 0).target) || 0
  4038.  
  4039.     if (node.nodeType !== 1) return;
  4040.  
  4041.     const nodeName = node.nodeName.toUpperCase();
  4042.  
  4043.     _console.log(evt.target.nodeName, 904, evt.type);
  4044.  
  4045.     if (nodeName !== 'YTD-PLAYER') return
  4046.  
  4047.     setupVideo(node)
  4048.  
  4049.  
  4050.     let tabsDeferredSess = pageSession.session();
  4051.     if (!scriptEnable && tabsDeferred.resolved) { }
  4052.     else tabsDeferred.debounce(() => {
  4053.  
  4054.       if (!tabsDeferredSess.isValid) return;
  4055.       tabsDeferredSess = null;
  4056.  
  4057.  
  4058.       if (!scriptEnable) return
  4059.  
  4060.       if (renderDeferred.resolved && Q.comments_section_loaded === 0 && fetchCounts.new && !fetchCounts.fetched) {
  4061.         fetchCounts.new.f();
  4062.         fetchCounts.fetched = true;
  4063.  
  4064.         fetchCommentsFinished();
  4065.         _console.log(9972, 'fetched = true')
  4066.       }
  4067.  
  4068.       _console.log(2178, 4)
  4069.       pageCheck();
  4070.  
  4071.       domInit_comments();
  4072.       setupChatFrameDOM(null);
  4073.  
  4074.  
  4075.     });
  4076.  
  4077.  
  4078.   });
  4079.  
  4080.   function ytMicroEventsInit() {
  4081.  
  4082.     _console.log(902)
  4083.  
  4084.     /** @type {Map<string, Function>} */
  4085.     let handleDOMAppearFN = new Map();
  4086.     function handleDOMAppear( /** @type {string} */ fn, /** @type { listener: (this: Document, ev: AnimationEvent ) => any } */ func) {
  4087.       if (handleDOMAppearFN.size === 0) {
  4088.         document.addEventListener('animationstart', (evt) => {
  4089.           let func = handleDOMAppearFN.get(evt.animationName);
  4090.           if (func) func(evt);
  4091.         }, capturePassive)
  4092.       } else {
  4093.         if (handleDOMAppearFN.has(fn)) return;
  4094.       }
  4095.       handleDOMAppearFN.set(fn, func);
  4096.     }
  4097.  
  4098.     handleDOMAppear('videosDOMAppended', function (evt) {
  4099.       videosDeferred.resolve();
  4100.     })
  4101.  
  4102.     handleDOMAppear('liveChatFrameDOMAppended', (evt) => {
  4103.  
  4104.       let node = evt.target;
  4105.       if (!node) return;
  4106.  
  4107.       let tabsDeferredSess = pageSession.session();
  4108.       if (!scriptEnable && tabsDeferred.resolved) { }
  4109.       else tabsDeferred.debounce(() => {
  4110.  
  4111.         // P.S. avoid immediately dom change
  4112.         // time delay to avoid attribute set after dom appended.
  4113.  
  4114.         if (!tabsDeferredSess.isValid) return;
  4115.         tabsDeferredSess = null;
  4116.  
  4117.         setupChatFrameDOM(node); // front page
  4118.         node = null;
  4119.  
  4120.       })
  4121.  
  4122.     });
  4123.  
  4124.     handleDOMAppear('pageLoaderAnimation', (evt) => {
  4125.       pageRendered = 2;
  4126.       renderDeferred.resolve();
  4127.       console.log('pageRendered')
  4128.  
  4129.       scriptletDeferred.debounce(() => {
  4130.         document.dispatchEvent(new CustomEvent('tabview-page-rendered'))
  4131.       })
  4132.  
  4133.     });
  4134.  
  4135.  
  4136.     handleDOMAppear('chatFrameToggleBtnAppended1', (evt) => {
  4137.  
  4138.       _console.log(5099, 'chatFrameToggleBtnAppended', evt)
  4139.  
  4140.       Promise.resolve(0).then(() => { // avoid immediately dom change
  4141.  
  4142.         let tabsDeferredSess = pageSession.session();
  4143.         if (!scriptEnable && tabsDeferred.resolved) { }
  4144.         else tabsDeferred.debounce(() => {
  4145.  
  4146.           if (!tabsDeferredSess.isValid) return;
  4147.           tabsDeferredSess = null;
  4148.  
  4149.           mtf_liveChatBtnF(evt.target);
  4150.  
  4151.         })
  4152.  
  4153.       })
  4154.  
  4155.     });
  4156.  
  4157.  
  4158.     DEBUG_LOG && handleDOMAppear('chatFrameToggleBtnAppended2', (evt) => {
  4159.  
  4160.       _console.log(5099, 'chatFrameToggleBtnAppended', evt)
  4161.  
  4162.  
  4163.     });
  4164.  
  4165.  
  4166.     handleDOMAppear('epDOMAppended', async (evt) => {
  4167.       try {
  4168.         let node = evt.target;
  4169.  
  4170.         let eps = document.querySelectorAll('ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility="ENGAGEMENT_PANEL_VISIBILITY_EXPANDED"]:not([hidden])')
  4171.  
  4172.         if (eps && eps.length > 0) {
  4173.  
  4174.           if (eps.length > 1) {
  4175.             let p = 0;
  4176.             for (const ep of eps) {
  4177.               if (ep !== node) {
  4178.                 ytBtnCloseEngagementPanel(ep)
  4179.                 p++
  4180.               }
  4181.             }
  4182.             if (p > 0) {
  4183.               await Promise.resolve(0)
  4184.             }
  4185.           }
  4186.  
  4187.           FP.mtf_attrEngagementPanel(9, node);
  4188.  
  4189.           new Promise(() => {
  4190.  
  4191.             mtoVisibility_EngagementPanel.bindElement(node, {
  4192.               attributes: true,
  4193.               attributeFilter: ['visibility'],
  4194.               attributeOldValue: true
  4195.             })
  4196.  
  4197.             node.removeEventListener('mouseleave', removeFocusOnLeave, false)
  4198.             node.addEventListener('mouseleave', removeFocusOnLeave, false)
  4199.  
  4200.           })
  4201.  
  4202.         }
  4203.  
  4204.  
  4205.       } catch (e) { }
  4206.  
  4207.     })
  4208.  
  4209.     let _tabviewSiderAnimated = false;
  4210.  
  4211.     handleDOMAppear('tabviewSiderAnimation', (evt) => {
  4212.       if (!_tabviewSiderAnimated) {
  4213.         _tabviewSiderAnimated = true;
  4214.         dispatchCommentRowResize();
  4215.       }
  4216.     })
  4217.  
  4218.     handleDOMAppear('tabviewSiderAnimationNone', (evt) => {
  4219.       if (_tabviewSiderAnimated) {
  4220.         _tabviewSiderAnimated = false;
  4221.         dispatchCommentRowResize();
  4222.       }
  4223.     })
  4224.  
  4225.     handleDOMAppear('SearchWhileWatchAutocomplete', (evt) => { // Youtube - Search While Watching Video
  4226.       let elm = evt.target;
  4227.       elm.addEventListener('autocomplete-sc-exist', handlerAutoCompleteExist, false)
  4228.       scriptletDeferred.debounce(() => {
  4229.         elm.dispatchEvent(new CustomEvent('tabview-fix-autocomplete'));
  4230.         elm = null;
  4231.       })
  4232.     })
  4233.  
  4234.     const renderStamperFunc = {
  4235.       'YTD-PLAYLIST-PANEL-RENDERER': (node) => {
  4236.         mtf_append_playlist(node); // the true playlist is appended to the #tab-list
  4237.         checkPlaylistForInitialization();
  4238.       },
  4239.       'YTD-COMMENTS-HEADER-RENDERER': (node) => {
  4240.         comments_loader = comments_loader | 4;
  4241.         getFinalComments();
  4242.       }
  4243.     }
  4244.  
  4245.     globalHook('yt-rendererstamper-finished', (evt) => {
  4246.  
  4247.       if (!scriptEnable && tabsDeferred.resolved) { return }
  4248.       // might occur before initialization
  4249.  
  4250.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4251.  
  4252.       let node = evt.target;
  4253.       const nodeName = node.nodeName.toUpperCase();
  4254.       const func = renderStamperFunc[nodeName];
  4255.  
  4256.       if (typeof func !== 'function') {
  4257.         return;
  4258.       }
  4259.  
  4260.  
  4261.       let tabsDeferredSess = pageSession.session();
  4262.       if (!scriptEnable && tabsDeferred.resolved) { }
  4263.       else tabsDeferred.debounce(() => {
  4264.  
  4265.         if (!tabsDeferredSess.isValid) return;
  4266.         tabsDeferredSess = null;
  4267.  
  4268.         func(node);
  4269.         node = null;
  4270.  
  4271.       });
  4272.  
  4273.  
  4274.     });
  4275.  
  4276.  
  4277.     globalHook('yt-page-data-updated', (evt) => {
  4278.  
  4279.       if (!scriptEnable && tabsDeferred.resolved) { return }
  4280.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4281.  
  4282.       _console.log(evt.target.nodeName, 904, evt.type);
  4283.  
  4284.       advanceFetch();
  4285.  
  4286.       let tabsDeferredSess = pageSession.session();
  4287.       if (!scriptEnable && tabsDeferred.resolved) { }
  4288.       else tabsDeferred.debounce(() => {
  4289.  
  4290.         if (!tabsDeferredSess.isValid) return;
  4291.         tabsDeferredSess = null;
  4292.  
  4293.         if (!scriptEnable) return;
  4294.  
  4295.         if (renderDeferred.resolved && Q.comments_section_loaded === 0 && fetchCounts.new && !fetchCounts.fetched) {
  4296.           fetchCounts.new.f();
  4297.           fetchCounts.fetched = true;
  4298.  
  4299.           fetchCommentsFinished();
  4300.           _console.log(9972, 'fetched = true')
  4301.         }
  4302.  
  4303.  
  4304.         // if the page is navigated by history back-and-forth, not all engagement panels can be catched in rendering event.
  4305.  
  4306.  
  4307.  
  4308.         _console.log(2178, 3)
  4309.         pageCheck();
  4310.         setupChatFrameDOM(null);
  4311.  
  4312.         let expander = document.querySelector('#meta-contents ytd-expander:not([tabview-info-expander])');
  4313.         if (expander) {
  4314.  
  4315.           // once per $$native-info-description$$ {#meta-contents ytd-expander} detection
  4316.           // append the detailed meta contents to the tab-info
  4317.  
  4318.           expander.setAttribute('tabview-info-expander', '');
  4319.           let tabInfo = document.querySelector("#tab-info");
  4320.           if (tabInfo) {
  4321.             tabInfo.appendChild(expander);
  4322.           }
  4323.  
  4324.         }
  4325.  
  4326.  
  4327.         if (REMOVE_DUPLICATE_INFO) {
  4328.  
  4329.  
  4330.           checkDuplicateRes = null;
  4331.           async function alCheckFn(ks) {
  4332.  
  4333.             let alCheckCount = 4;
  4334.             let alCheckInterval = 270;
  4335.  
  4336.             checkDuplicateRes = null;
  4337.             let descExpandState = null;
  4338.             let descMetaExpander = document.querySelector('ytd-watch-metadata[modern-metapanel][clickable-description]');
  4339.             let descToggleBtn = null;
  4340.             let descMetaLines = null;
  4341.             if (descMetaExpander) {
  4342.  
  4343.               // ytd-text-inline-expander#description-inline-expander.style-scope.ytd-watch-metadata
  4344.               descMetaLines = querySelectorFromAnchor.call(descMetaExpander, 'ytd-text-inline-expander#description-inline-expander.style-scope.ytd-watch-metadata')
  4345.               if (descMetaLines) {
  4346.  
  4347.                 descToggleBtn = querySelectorFromAnchor.call(descMetaLines, 'tp-yt-paper-button#collapse[role="button"]:not([hidden]), tp-yt-paper-button#expand[role="button"]:not([hidden])');
  4348.                 if (descToggleBtn) {
  4349.                   if (descMetaExpander.hasAttribute('description-collapsed') && descToggleBtn.id === 'expand') {
  4350.                     descExpandState = false;
  4351.                   } else if (!descMetaExpander.hasAttribute('description-collapsed') && descToggleBtn.id === 'collapse') {
  4352.                     descExpandState = true;
  4353.                   }
  4354.                 }
  4355.               }
  4356.  
  4357.             }
  4358.             if (descMetaExpander) {
  4359.               descMetaExpander.classList.add('tyt-tmp-hide-metainfo');
  4360.             }
  4361.  
  4362.             try{
  4363.  
  4364.                 
  4365.               let req = {
  4366.                 descExpandState,
  4367.                 descMetaExpander,
  4368.                 descToggleBtn,
  4369.                 descMetaLines
  4370.               }
  4371.  
  4372.               do {
  4373.  
  4374.                 if (renderIdentifier !== ks) break;
  4375.                 if (alCheckCount === 0) break;
  4376.                 if (checkDuplicateRes === true) break;
  4377.                 checkDuplicateRes = null;
  4378.  
  4379.                 let res = await checkDuplicatedInfo(req); //async
  4380.                 if (res === 5) {
  4381.  
  4382.                   const ytdFlexyElm = es.ytdFlexy;
  4383.                   if (ytdFlexyElm) {
  4384.                     if (checkDuplicateRes === true || (checkDuplicateRes === false && alCheckCount === 1)) {
  4385.                       ytdFlexyElm.classList.toggle('tabview-info-duplicated', checkDuplicateRes)
  4386.                       ytdFlexyElm.classList.toggle('tabview-info-duplicated-checked', true)
  4387.                       checkDuplicatedInfo_then(res, checkDuplicateRes);
  4388.                     }
  4389.                   }
  4390.  
  4391.                 }
  4392.                 --alCheckCount;
  4393.  
  4394.                 if (checkDuplicateRes === true) break;
  4395.  
  4396.                 await new Promise(r => setTimeout(r, alCheckInterval));
  4397.  
  4398.               } while (true)
  4399.  
  4400.               await Promise.resolve(0)
  4401.  
  4402.               descToggleBtn = querySelectorFromAnchor.call(descMetaLines, 'tp-yt-paper-button#collapse[role="button"]:not([hidden]), tp-yt-paper-button#expand[role="button"]:not([hidden])');
  4403.               if (descToggleBtn) {
  4404.  
  4405.                 let isCollapsed = descMetaExpander.hasAttribute('description-collapsed')
  4406.                 let id = descToggleBtn.id
  4407.                 let b1 = descExpandState === true && isCollapsed && id === 'expand';
  4408.                 let b2 = descExpandState === false && !isCollapsed && id === 'collapse';
  4409.  
  4410.                 if (b1 || b2) {
  4411.                   descToggleBtn.click();
  4412.                 }
  4413.  
  4414.               }
  4415.  
  4416.               
  4417.               req = null;
  4418.  
  4419.  
  4420.             }catch(e){
  4421.  
  4422.               console.warn(e)
  4423.  
  4424.             }
  4425.  
  4426.             if (descMetaExpander) {
  4427.               descMetaExpander.classList.remove('tyt-tmp-hide-metainfo');
  4428.  
  4429.               await Promise.resolve(0)
  4430.  
  4431.               let detailsIntersectioner = descMetaExpander.querySelector('#info-container.style-scope.ytd-watch-metadata');
  4432.               if (detailsIntersectioner) {
  4433.                 Promise.resolve(detailsIntersectioner).then(detailsIntersectioner => {
  4434.                   let dom = detailsIntersectioner;
  4435.                   if (dom) mtoObservationDetails.bindElement(dom);
  4436.                 })
  4437.               }
  4438.  
  4439.             }
  4440.  
  4441.  
  4442.  
  4443.           }
  4444.           let ks = renderIdentifier;
  4445.           renderDeferred.debounce(() => {
  4446.             if (ks !== renderIdentifier) return
  4447.             alCheckFn(ks);
  4448.  
  4449.           });
  4450.  
  4451.         } else {
  4452.  
  4453.           checkDuplicatedInfo_then(0, null);
  4454.  
  4455.         }
  4456.  
  4457.         let renderId = renderIdentifier
  4458.         renderDeferred.debounce(() => {
  4459.           if (renderId !== renderIdentifier) return
  4460.           domInit_teaserInfo() // YouTube obsoleted feature? 
  4461.  
  4462.  
  4463.           let h1 = document.querySelector('#below h1.ytd-watch-metadata yt-formatted-string')
  4464.           if (h1) {
  4465.  
  4466.  
  4467.             let s = '';
  4468.             if (formatDates && Object.keys(formatDates).length > 0) {
  4469.  
  4470.  
  4471.               function getGMT() {
  4472.                 let m = new Date('2023-01-01T00:00:00Z')
  4473.                 if(m.getDate()===1){
  4474.                   return `+${m.getHours()}`
  4475.                 }else{
  4476.                   return `-${24 - m.getHours()}`
  4477.                 }
  4478.               }
  4479.               function getLocaleDateString(d) {
  4480.                 let y = d.getFullYear()
  4481.                 let m = d.getMonth() + 1
  4482.                 let date = d.getDate()
  4483.  
  4484.                 let sy = y < 1000 ? (`0000${y}`).slice(-4) : '' + y
  4485.  
  4486.                 let sm = m < 10 ? '0' + m : '' + m
  4487.                 let sd = date < 10 ? '0' + date : '' + date
  4488.  
  4489.                 return `${sy}.${sm}.${sd}`
  4490.  
  4491.               }
  4492.               function getLocaleTimeString(d, k) {
  4493.  
  4494.                 let h = d.getHours()
  4495.                 let m = d.getMinutes()
  4496.  
  4497.                 if (k) h += 24
  4498.  
  4499.                 let sh = h < 10 ? '0' + h : '' + h
  4500.                 let sm = m < 10 ? '0' + m : '' + m
  4501.  
  4502.  
  4503.                 return `${sh}:${sm}`
  4504.  
  4505.               }
  4506.               function getDurationText(bd1,bd2){
  4507.  
  4508.                 let bdd = bd2 - bd1
  4509.                 let hrs = Math.floor(bdd / 3600000)
  4510.                 bdd = bdd - hrs * 3600000
  4511.                 let mins = Math.round(bdd / 60000)
  4512.                 let seconds = null
  4513.                 if (mins < 10 && hrs === 0) {
  4514.                   mins = Math.floor(bdd / 60000)
  4515.                   bdd = bdd - mins * 60000
  4516.                   seconds = Math.round(bdd / 1000)
  4517.                   if(seconds === 0) seconds = null
  4518.                 }
  4519.  
  4520.                 return  `Duration: ${hrs > 0 ? `${hrs} hours ` : ''}${seconds === null ? `${mins} minutes` : `${mins} minutes ${seconds} seconds`}`
  4521.                 
  4522.               }
  4523.               if (formatDates.broadcastBeginAt && formatDates.isLiveNow === false) {
  4524.  
  4525.                 let bd1 = new Date(formatDates.broadcastBeginAt)
  4526.                 let bd2 = formatDates.broadcastEndAt ? new Date(formatDates.broadcastEndAt) : null
  4527.  
  4528.                 let isSameDay = 0
  4529.                 if (bd2 && bd1.toLocaleDateString() === bd2.toLocaleDateString()) {
  4530.                   isSameDay = 1
  4531.  
  4532.                 } else if (bd2 && +bd2 > +bd1 && bd2 - bd1 < 86400000) {
  4533.  
  4534.                   if (bd1.getHours() >= 6 && bd2.getHours() < 6) {
  4535.                     isSameDay = 2
  4536.                   }
  4537.  
  4538.                 }
  4539.  
  4540.                 if (isSameDay > 0) {
  4541.  
  4542.                   s = [
  4543.                     `The livestream was in ${getLocaleDateString(bd1)} from ${getLocaleTimeString(bd1)} to ${getLocaleTimeString(bd2, isSameDay === 2)}. [GMT${getGMT()}]`,
  4544.                     getDurationText(bd1,bd2)
  4545.                   ].join('\n')
  4546.  
  4547.                 }
  4548.  
  4549.  
  4550.                 if (bd2 && isSameDay === 0) {
  4551.  
  4552.                   s = [
  4553.                     `The livestream was from ${getLocaleDateString(bd1)} ${getLocaleTimeString(bd1)} to ${getLocaleDateString(bd2)} ${getLocaleTimeString(bd2)}. [GMT${getGMT()}]`,
  4554.                     getDurationText(bd1,bd2)
  4555.                   ].join('\n')
  4556.  
  4557.                 }
  4558.  
  4559.  
  4560.               } else if (formatDates.broadcastBeginAt && formatDates.isLiveNow === true) {
  4561.  
  4562.                 let bd1 = new Date(formatDates.broadcastBeginAt)
  4563.  
  4564.                 s = `The livestream started at ${getLocaleTimeString(bd1)} [GMT${getGMT()}] in ${getLocaleDateString(bd1)}.`
  4565.  
  4566.  
  4567.               } else {
  4568.                 if (formatDates.uploadDate) {
  4569.  
  4570.                   if (formatDates.publishDate && formatDates.publishDate !== formatDates.uploadDate) {
  4571.  
  4572.                     s = `The video was uploaded in ${formatDates.uploadDate} and published in ${formatDates.publishDate}.`
  4573.                   } else {
  4574.                     s = `The video was uploaded in ${formatDates.uploadDate}.`
  4575.  
  4576.                   }
  4577.                 }else if(!formatDates.uploadDate && formatDates.publishDate){
  4578.  
  4579.                   s = `The video was published in ${formatDates.publishDate}.`
  4580.  
  4581.  
  4582.                 }
  4583.               }
  4584.  
  4585.  
  4586.             }
  4587.  
  4588.             if (s) {
  4589.               h1.setAttribute('data-title-details', s)
  4590.             } else {
  4591.               h1.removeAttribute('data-title-details')
  4592.             }
  4593.  
  4594.           }
  4595.  
  4596.         })
  4597.  
  4598.  
  4599.         checkPlaylistForInitialization();
  4600.  
  4601.         mtf_fix_details().then(() => {
  4602.           // setKeywords();
  4603.           setToggleInfo();
  4604.           renderDeferred.debounce(() => {  
  4605.             if (renderId !== renderIdentifier) return
  4606.             setTimeout(() => {
  4607.               //dispatchWindowResize(); //try to omit
  4608.               dispatchWindowResize(); //add once for safe
  4609.               manualResizeT();
  4610.             }, 420)
  4611.           })
  4612.  
  4613.  
  4614.           let secondary = document.querySelector('#columns.ytd-watch-flexy #secondary.ytd-watch-flexy');
  4615.  
  4616.           let columns = secondary ? closestDOM.call(secondary, '#columns.ytd-watch-flexy') : null;
  4617.  
  4618.           setupHoverSlider(secondary, columns)
  4619.  
  4620.           let tabInfo = document.querySelector('#tab-info');
  4621.           addTabExpander(tabInfo);
  4622.  
  4623.           let tabComments = document.querySelector('#tab-comments');
  4624.           addTabExpander(tabComments);
  4625.  
  4626.  
  4627.         });
  4628.  
  4629.  
  4630.       });
  4631.  
  4632.     });
  4633.  
  4634.  
  4635.     globalHook('yt-watch-comments-ready', (evt) => {
  4636.  
  4637.       if (!scriptEnable && tabsDeferred.resolved) { return }
  4638.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4639.  
  4640.       let nodeName = evt.target.nodeName.toUpperCase()
  4641.       advanceFetch();
  4642.  
  4643.       comments_loader = comments_loader | 2;
  4644.  
  4645.       let tabsDeferredSess = pageSession.session();
  4646.       if (!scriptEnable && tabsDeferred.resolved) { }
  4647.       else tabsDeferred.debounce(() => {
  4648.  
  4649.         if (!tabsDeferredSess.isValid) return;
  4650.         tabsDeferredSess = null;
  4651.  
  4652.         if (renderDeferred.resolved && Q.comments_section_loaded === 0 && fetchCounts.new && !fetchCounts.fetched) {
  4653.           fetchCounts.new.f();
  4654.           fetchCounts.fetched = true;
  4655.  
  4656.           fetchCommentsFinished();
  4657.           _console.log(9972, 'fetched = true')
  4658.         }
  4659.  
  4660.         if (nodeName === 'YTD-WATCH-FLEXY') {
  4661.           domInit_comments();
  4662.           if (mtf_forceCheckLiveVideo_disable !== 2) {
  4663.             _console.log(3713, Q.comments_section_loaded, fetchCounts.fetched, 'fetch comments')
  4664.             if (document.querySelector(`ytd-comments#comments`).hasAttribute('hidden')) {
  4665.               // unavailable apart from live chat
  4666.               _disableComments();
  4667.               _console.log(3713, 3, 'comments hidden')
  4668.             } else if (Q.comments_section_loaded === 0) {
  4669.               getFinalComments();
  4670.             }
  4671.           }
  4672.         }
  4673.       });
  4674.  
  4675.     })
  4676.  
  4677.  
  4678.     window.addEventListener("message", (evt) => {
  4679.       if (!scriptEnable && tabsDeferred.resolved) { return }
  4680.       if (evt.origin === location.origin && evt.data.tabview) {
  4681.         let data = evt.data.tabview;
  4682.         if (data.eventType === "yt-page-type-changed") {
  4683.           let detail = data.eventDetail
  4684.           let { newPageType, oldPageType } = detail;
  4685.           if (newPageType && oldPageType) {
  4686.             let bool = false;
  4687.             if (newPageType == 'ytd-watch-flexy') {
  4688.               bool = true;
  4689.               pageType = 'watch';
  4690.             } else if (newPageType == 'ytd-browse') {
  4691.               pageType = 'browse';
  4692.             }
  4693.             document.documentElement.classList.toggle('tabview-normal-player', bool)
  4694.           }
  4695.         }
  4696.       }
  4697.     }, bubblePassive);
  4698.  
  4699.  
  4700.     globalHook('data-changed', (evt) => {
  4701.  
  4702.       if (!scriptEnable && tabsDeferred.resolved) { return }
  4703.  
  4704.       let nodeName = (((evt || 0).target || 0).nodeName || '').toUpperCase()
  4705.  
  4706.       if (nodeName !== 'YTD-THUMBNAIL-OVERLAY-TOGGLE-BUTTON-RENDERER') return;
  4707.  
  4708.       document.dispatchEvent(new CustomEvent("tabview-fix-popup-refit"));
  4709.  
  4710.     })
  4711.  
  4712.  
  4713.     DEBUG_LOG && globalHook('yt-rendererstamper-finished', (evt) => {
  4714.  
  4715.       if (!scriptEnable && tabsDeferred.resolved) { return }
  4716.       // might occur before initialization
  4717.  
  4718.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4719.  
  4720.       const nodeName = evt.target.nodeName.toUpperCase();
  4721.  
  4722.       //  const S_GENERAL_RENDERERS = ['YTD-TOGGLE-BUTTON-RENDERER','YTD-MENU-RENDERER']
  4723.       if (S_GENERAL_RENDERERS.includes(nodeName)) {
  4724.         return;
  4725.       }
  4726.  
  4727.       _console.log(evt.target.nodeName, 904, evt.type, evt.detail);
  4728.  
  4729.     });
  4730.  
  4731.     DEBUG_LOG && globalHook('data-changed', (evt) => {
  4732.  
  4733.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4734.  
  4735.       let nodeName = evt.target.nodeName.toUpperCase()
  4736.       _console.log(nodeName, evt.type)
  4737.  
  4738.       if (nodeName === 'YTD-ITEM-SECTION-RENDERER' || nodeName === 'YTD-COMMENTS') {
  4739.  
  4740.         _console.log(344)
  4741.  
  4742.       }
  4743.  
  4744.     })
  4745.  
  4746.     DEBUG_LOG && globalHook('yt-navigate', (evt) => {
  4747.  
  4748.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4749.       _console.log(evt.target.nodeName, evt.type)
  4750.  
  4751.     })
  4752.  
  4753.     DEBUG_LOG && globalHook('ytd-playlist-lockup-now-playing-active', (evt) => {
  4754.  
  4755.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4756.       _console.log(evt.target.nodeName, evt.type)
  4757.  
  4758.  
  4759.     })
  4760.  
  4761.     DEBUG_LOG && globalHook('yt-service-request-completed', (evt) => {
  4762.  
  4763.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4764.       _console.log(evt.target.nodeName, evt.type)
  4765.  
  4766.  
  4767.     })
  4768.  
  4769.     DEBUG_LOG && globalHook('yt-commerce-action-done', (evt) => {
  4770.  
  4771.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4772.       _console.log(evt.target.nodeName, evt.type)
  4773.  
  4774.  
  4775.     })
  4776.  
  4777.     DEBUG_LOG && globalHook('yt-execute-service-endpoint', (evt) => {
  4778.  
  4779.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4780.       _console.log(evt.target.nodeName, evt.type)
  4781.  
  4782.  
  4783.     })
  4784.  
  4785.  
  4786.     DEBUG_LOG && globalHook('yt-request-panel-mode-change', (evt) => {
  4787.  
  4788.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4789.       _console.log(evt.target.nodeName, evt.type)
  4790.  
  4791.  
  4792.     })
  4793.  
  4794.  
  4795.     DEBUG_LOG && globalHook('yt-visibility-refresh', (evt) => {
  4796.  
  4797.       if (!evt || !evt.target /*|| evt.target.nodeType !== 1*/) return;
  4798.       _console.log(evt.target.nodeName || '', evt.type)
  4799.  
  4800.       const ytdFlexyElm = es.ytdFlexy;
  4801.       _console.log(2784, evt.type, (ytdFlexyElm ? ytdFlexyElm.hasAttribute('hidden') : null), evt.detail)
  4802.  
  4803.       _console.log(evt.detail)
  4804.  
  4805.  
  4806.     })
  4807.  
  4808.     DEBUG_LOG && globalHook('yt-request-panel-mode-change', (evt) => {
  4809.  
  4810.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4811.       _console.log(evt.target.nodeName, evt.type)
  4812.  
  4813.  
  4814.     })
  4815.  
  4816.     DEBUG_LOG && globalHook('app-reset-layout', (evt) => {
  4817.  
  4818.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4819.       _console.log(evt.target.nodeName, evt.type)
  4820.  
  4821.  
  4822.     })
  4823.     DEBUG_LOG && globalHook('yt-guide-close', (evt) => {
  4824.  
  4825.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4826.       _console.log(evt.target.nodeName, evt.type)
  4827.  
  4828.  
  4829.     })
  4830.     DEBUG_LOG && globalHook('yt-page-data-will-change', (evt) => {
  4831.  
  4832.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4833.       _console.log(evt.target.nodeName, evt.type)
  4834.  
  4835.  
  4836.     })
  4837.  
  4838.     DEBUG_LOG && globalHook('yt-retrieve-location', (evt) => {
  4839.  
  4840.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4841.       _console.log(evt.target.nodeName, evt.type)
  4842.  
  4843.  
  4844.     })
  4845.  
  4846.     DEBUG_LOG && globalHook('yt-refit', (evt) => {
  4847.  
  4848.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4849.       _console.log(evt.target.nodeName, evt.type)
  4850.  
  4851.     })
  4852.  
  4853.     DEBUG_LOG && globalHook('addon-attached', (evt) => {
  4854.  
  4855.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4856.       _console.log(evt.target.nodeName, evt.type)
  4857.  
  4858.     })
  4859.  
  4860.     DEBUG_LOG && globalHook('yt-live-chat-context-menu-opened', (evt) => {
  4861.  
  4862.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4863.       _console.log(evt.target.nodeName, evt.type)
  4864.  
  4865.     })
  4866.  
  4867.     DEBUG_LOG && globalHook('yt-live-chat-context-menu-closed', (evt) => {
  4868.  
  4869.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4870.       _console.log(evt.target.nodeName, evt.type)
  4871.  
  4872.     })
  4873.  
  4874.     DEBUG_LOG && globalHook('yt-commentbox-resize', (evt) => {
  4875.  
  4876.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4877.       _console.log(evt.target.nodeName, evt.type)
  4878.     })
  4879.  
  4880.     DEBUG_LOG && globalHook('yt-rich-grid-layout-refreshed', (evt) => {
  4881.  
  4882.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4883.       _console.log(2327, evt.target.nodeName, evt.type)
  4884.     })
  4885.  
  4886.     DEBUG_LOG && globalHook('animationend', (evt) => {
  4887.  
  4888.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4889.       _console.log(evt.target.nodeName, evt.type)
  4890.  
  4891.  
  4892.     })
  4893.  
  4894.     DEBUG_LOG && globalHook('yt-dismissible-item-dismissed', (evt) => {
  4895.  
  4896.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4897.       _console.log(evt.target.nodeName, evt.type)
  4898.  
  4899.  
  4900.     })
  4901.  
  4902.     DEBUG_LOG && globalHook('yt-dismissible-item-undismissed', function (evt) {
  4903.  
  4904.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4905.       _console.log(evt.target.nodeName, evt.type)
  4906.  
  4907.  
  4908.     })
  4909.  
  4910.  
  4911.     DEBUG_LOG && globalHook('yt-load-next-continuation', function (evt) {
  4912.  
  4913.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4914.       _console.log(evt.target.nodeName, evt.type)
  4915.  
  4916.  
  4917.     })
  4918.  
  4919.  
  4920.     DEBUG_LOG && globalHook('yt-load-reload-continuation', function (evt) {
  4921.  
  4922.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4923.       _console.log(evt.target.nodeName, evt.type)
  4924.  
  4925.  
  4926.     })
  4927.  
  4928.     DEBUG_LOG && globalHook('yt-toggle-button', function (evt) {
  4929.  
  4930.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4931.       _console.log(evt.target.nodeName, evt.type)
  4932.  
  4933.  
  4934.     })
  4935.  
  4936.  
  4937.   }
  4938.  
  4939.  
  4940.  
  4941.  
  4942.   function addIframeStyle(cDoc) {
  4943.     if (cDoc.querySelector('#tyt-chatroom-css')) return false;
  4944.     addStyle((iframeCSS() || ''), cDoc.documentElement).id = 'tyt-chatroom-css'
  4945.     return true;
  4946.   }
  4947.  
  4948.   function chatFrameContentDocument() {
  4949.     // non-null if iframe exist && contentDocument && readyState = complete
  4950.     /** @type {HTMLIFrameElement | null} */
  4951.     let iframe = document.querySelector('ytd-live-chat-frame iframe#chatframe');
  4952.     if (!iframe) return null; //iframe must be there
  4953.     /** @type {Document | null} */
  4954.     let cDoc = null;
  4955.     try {
  4956.       cDoc = iframe.contentDocument;
  4957.     } catch (e) { }
  4958.     if (!cDoc) return null;
  4959.     if (cDoc.readyState != 'complete') return null; //we must wait for its completion
  4960.  
  4961.     return cDoc;
  4962.  
  4963.   }
  4964.  
  4965.   function chatFrameElement(/** @type {string} */ cssSelector) {
  4966.     let cDoc = chatFrameContentDocument();
  4967.     if (!cDoc) return null;
  4968.     /** @type {HTMLElement | null} */
  4969.     let elm = null;
  4970.     try {
  4971.       elm = cDoc.querySelector(cssSelector)
  4972.     } catch (e) {
  4973.       console.log('iframe error', e)
  4974.     }
  4975.     return elm;
  4976.   }
  4977.  
  4978.  
  4979.   function forceDisplayChatReplay() {
  4980.     let items = chatFrameElement('yt-live-chat-item-list-renderer #items');
  4981.     if (items && items.childElementCount !== 0) return;
  4982.  
  4983.     let videoElm = document.querySelector('ytd-player#ytd-player video');
  4984.  
  4985.     let ct = videoElm.currentTime;
  4986.     if (ct >= 0 && !videoElm.ended && videoElm.readyState > videoElm.HAVE_CURRENT_DATA) {
  4987.       let chat = document.querySelector('ytd-live-chat-frame#chat');
  4988.       if (chat) {
  4989.         nativeFunc(chat, "postToContentWindow", [{ "yt-player-video-progress": ct }])
  4990.       }
  4991.     }
  4992.  
  4993.   }
  4994.  
  4995.   function checkIframeDblClick() {
  4996.     setTimeout(() => {
  4997.  
  4998.       let Itemslist = chatFrameElement('#contents.yt-live-chat-renderer');
  4999.       if (Itemslist && typeof Itemslist.ondblclick === 'function') iframePointEventsAllow = true;
  5000.  
  5001.       if (iframePointEventsAllow) {
  5002.         chatFrameElement('body').classList.add('tabview-allow-pointer-events');
  5003.       }
  5004.  
  5005.     }, 300)
  5006.   }
  5007.  
  5008.   function addPopupButton(chat){
  5009.     let showHideBtn = chat.querySelector('div#show-hide-button')
  5010.     if(showHideBtn){
  5011.       
  5012.       let btn;
  5013.       btn = document.querySelector('tyt-iframe-popup-btn')
  5014.       if(btn) btn.remove();
  5015.  
  5016.       btn = document.createElement('tyt-iframe-popup-btn')
  5017.       showHideBtn.appendChild(btn)
  5018.       btn.dispatchEvent(new CustomEvent('tyt-iframe-popup-btn-setup'))
  5019.     }
  5020.     
  5021.   }
  5022.  
  5023.   function iFrameContentReady(cDoc) {
  5024.  
  5025.     if (!cDoc) return;
  5026.  
  5027.     if (addIframeStyle(cDoc) === false) return;
  5028.  
  5029.     let frc = 0;
  5030.     let cid = 0;
  5031.  
  5032.     let fullReady = () => {
  5033.  
  5034.       if (!cDoc.documentElement.hasAttribute('style') && ++frc < 900) return;
  5035.       clearInterval(cid);
  5036.  
  5037.       if (!scriptEnable || !isChatExpand()) return;
  5038.  
  5039.       let iframe = document.querySelector('body ytd-watch-flexy ytd-live-chat-frame iframe#chatframe');
  5040.  
  5041.       if (!iframe) return; //prevent iframe is detached from the page
  5042.  
  5043.       if (cDoc.querySelector('yt-live-chat-renderer #continuations')) {
  5044.         let chatFrame = document.querySelector('ytd-live-chat-frame#chat');
  5045.         if (chatFrame) {
  5046.           chatFrame.setAttribute('tyt-iframe-loaded', '')
  5047.  
  5048.  
  5049.           forceDisplayChatReplay();
  5050.           checkIframeDblClick(); //user request for compatible with https://gf.qytechs.cn/en/scripts/452335
  5051.           iframe.dispatchEvent(new CustomEvent("tabview-chatroom-ready"))
  5052.           addPopupButton(chatFrame)
  5053.  
  5054.         }
  5055.       }
  5056.  
  5057.  
  5058.     }
  5059.     cid = setInterval(fullReady, 10)
  5060.     fullReady();
  5061.  
  5062.  
  5063.   }
  5064.  
  5065.   const iframeLoadHookA = function (evt) {
  5066.  
  5067.  
  5068.     let isIframe = (((evt || 0).target || 0).nodeName === 'IFRAME');
  5069.  
  5070.     if (isIframe && evt.target.matches('body iframe.style-scope.ytd-live-chat-frame#chatframe')) {
  5071.  
  5072.       let iframe = evt.target;
  5073.       new Promise(resolve => {
  5074.  
  5075.         let k = 270
  5076.         let cid = setInterval(() => {
  5077.  
  5078.           if (k-- < 1) {
  5079.             clearInterval(cid);
  5080.             resolve(false);
  5081.           }
  5082.  
  5083.           let cDoc = iframe.contentDocument;
  5084.           if (!cDoc) return null;
  5085.           if (cDoc.readyState != 'complete') return;
  5086.           if (!cDoc.querySelector('body')) {
  5087.             clearInterval(cid);
  5088.             resolve(false);
  5089.           }
  5090.  
  5091.           if (!cDoc.querySelector('yt-live-chat-app')) return;
  5092.  
  5093.           clearInterval(cid);
  5094.  
  5095.           if (!document.contains(iframe)) return resolve(false);
  5096.  
  5097.           resolve(cDoc);
  5098.  
  5099.  
  5100.         }, 17)
  5101.  
  5102.  
  5103.       }).then((res) => {
  5104.  
  5105.         if (res) {
  5106.           iFrameContentReady(res)
  5107.         }
  5108.  
  5109.       })
  5110.  
  5111.  
  5112.     }
  5113.   }
  5114.  
  5115.   let videosDeferred = new Deferred();
  5116.  
  5117.   let _navigateLoadDT = 0;
  5118.  
  5119.   async function onNavigationEndAsync(isPageFirstLoaded) {
  5120.  
  5121.     if (pageType !== 'watch') return
  5122.  
  5123.  
  5124.     let tdt = Date.now();
  5125.     _navigateLoadDT = tdt;
  5126.  
  5127.     // avoid blocking the page when youtube is initializing the page
  5128.     const promiseDelay = new Promise(requestAnimationFrame)
  5129.     const promiseVideoRendered = videosDeferred.d()
  5130.     await Promise.all([promiseVideoRendered, promiseDelay])
  5131.  
  5132.     if (_navigateLoadDT !== tdt) return;
  5133.     if (ytEventSequence !== 3) return;
  5134.  
  5135.     const ytdFlexyElm = document.querySelector('ytd-watch-flexy')
  5136.  
  5137.     if (!ytdFlexyElm) {
  5138.       ytdFlexy = null
  5139.       return;
  5140.     }
  5141.  
  5142.     scriptEnable = true;
  5143.  
  5144.     ytdFlexy = mWeakRef(ytdFlexyElm)
  5145.  
  5146.     const related = querySelectorFromAnchor.call(ytdFlexyElm, "#related.ytd-watch-flexy");
  5147.     if (!related) return;
  5148.  
  5149.     isPageFirstLoaded && console.time("Tabview Youtube Render")
  5150.  
  5151.     if (!document.querySelector("#right-tabs")) {
  5152.       getLang();
  5153.       let docTmp = document.createElement('template');
  5154.       docTmp.innerHTML = getTabsHTML();
  5155.       let newElm = docTmp.content.firstElementChild;
  5156.       if (newElm !== null) {
  5157.         insertBeforeTo(newElm, related);
  5158.         querySelectorFromAnchor.call(newElm, '#material-tabs').addEventListener('mousemove', (evt)=>{
  5159.           evt.preventDefault();
  5160.           evt.stopPropagation();
  5161.           evt.stopImmediatePropagation();
  5162.         }, true);
  5163.         console.log('#right-tabs inserted')
  5164.       }
  5165.       docTmp.textContent = '';
  5166.       docTmp = null;
  5167.     }
  5168.  
  5169.     if (!ytdFlexyElm.hasAttribute('tyt-tab')) ytdFlexyElm.setAttribute('tyt-tab', '')
  5170.  
  5171.     // append the next videos 
  5172.     // it exists as "related" is already here
  5173.     fixTabs();
  5174.  
  5175.     if (document.querySelector('ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility="ENGAGEMENT_PANEL_VISIBILITY_EXPANDED"]:not([hidden])')) {
  5176.       switchTabActivity(null);
  5177.     } else {
  5178.       setToActiveTab(); // just switch to the default tab
  5179.     }
  5180.     prepareTabBtn();
  5181.  
  5182.     mtoFlexyAttr.clear(true)
  5183.     mtf_checkFlexy()
  5184.  
  5185.     tabsDeferred.resolve();
  5186.     FP.mtf_attrEngagementPanel(); // check whether no visible panels
  5187.  
  5188.     isPageFirstLoaded && console.timeEnd("Tabview Youtube Render")
  5189.  
  5190.   }
  5191.  
  5192.  
  5193.   function fetchCommentsFinished() {
  5194.     const ytdFlexyElm = es.ytdFlexy;
  5195.     if (!scriptEnable || !ytdFlexyElm) return;
  5196.     if (mtf_forceCheckLiveVideo_disable === 2) return;
  5197.     ytdFlexyElm.setAttribute('tyt-comments', 'L');
  5198.     _console.log(2909, 1)
  5199.   }
  5200.  
  5201.   function setCommentSection( /** @type {number} */ value) {
  5202.  
  5203.     Q.comments_section_loaded = value;
  5204.     if (value === 0 && fetchCounts) {
  5205.       fetchCounts.fetched = false; // unknown bug
  5206.     }
  5207.  
  5208.   }
  5209.  
  5210.  
  5211.   function emptyCommentSection() {
  5212.     let tab_btn = document.querySelector('.tab-btn[tyt-tab-content="#tab-comments"]')
  5213.     if (tab_btn) {
  5214.       let span = querySelectorFromAnchor.call(tab_btn, 'span#tyt-cm-count');
  5215.       tab_btn.removeAttribute('loaded-comment')
  5216.       if (span) {
  5217.         span.textContent = '';
  5218.       }
  5219.     }
  5220.     setCommentSection(0);
  5221.     _console.log(7233, 'comments_section_loaded = 0')
  5222.   }
  5223.  
  5224.  
  5225.   function _disableComments() {
  5226.  
  5227.  
  5228.     _console.log(2909, 1)
  5229.     if (!scriptEnable) return;
  5230.     let cssElm = es.ytdFlexy;
  5231.     if (!cssElm) return;
  5232.  
  5233.     _console.log(2909, 2)
  5234.  
  5235.  
  5236.     let comments = document.querySelector('ytd-comments#comments')
  5237.     if (mtf_forceCheckLiveVideo_disable === 2) {
  5238.       // earlier than DOM change
  5239.     } else {
  5240.       if (comments && !comments.hasAttribute('hidden')) return; // visible comments content)
  5241.     }
  5242.  
  5243.     _console.log(2909, 4)
  5244.     if (Q.comments_section_loaded === 2) return; //already disabled
  5245.  
  5246.     setCommentSection(2);
  5247.  
  5248.     _console.log(2909, 5)
  5249.  
  5250.     let tabBtn = document.querySelector('.tab-btn[tyt-tab-content="#tab-comments"]');
  5251.     if (tabBtn) {
  5252.       let span = querySelectorFromAnchor.call(tabBtn, 'span#tyt-cm-count');
  5253.       tabBtn.removeAttribute('loaded-comment')
  5254.       if (!tabBtn.classList.contains('tab-btn-hidden')) {
  5255.         //console.log('hide', comments, comments && comments.hasAttribute('hidden'))
  5256.         hideTabBtn(tabBtn)
  5257.       }
  5258.       if (span) {
  5259.         span.textContent = '';
  5260.       }
  5261.     }
  5262.  
  5263.     cssElm.setAttribute('tyt-comments', 'D');
  5264.  
  5265.     _console.log(2909, 10)
  5266.  
  5267.  
  5268.   }
  5269.  
  5270.  
  5271.   function setKeywords() {
  5272.  
  5273.     return;
  5274.  
  5275.     if (typeof String.prototype.replacei !== 'function') {
  5276.       // reference: https://stackoverflow.com/questions/7313395/case-insensitive-replace-all
  5277.       String.replacei = String.prototype.replacei = function (rep, rby) {
  5278.         var pos = this.toLowerCase().indexOf(rep.toLowerCase());
  5279.         return pos == -1 ? this : this.substring(0, pos) + rby(this.substring(pos, pos + rep.length)) + this.substring(pos + rep.length);
  5280.       };
  5281.     }
  5282.  
  5283.     let data = pageFetchedData;
  5284.     console.log(data)
  5285.  
  5286.  
  5287.     let keywords = ((((data || 0).pageData || 0).playerResponse || 0).videoDetails || 0).keywords;
  5288.     console.log(keywords)
  5289.  
  5290.     if (keywords && keywords.length > 0) {
  5291.  
  5292.  
  5293.       let title = '';
  5294.  
  5295.       try {
  5296.         title = ((((data || 0).pageData || 0).response || 0).contents || 0).twoColumnWatchNextResults.results.results.contents[0].videoPrimaryInfoRenderer.title.runs[0].text;
  5297.         if (typeof title !== 'string') title = '';
  5298.       } catch (e) { }
  5299.  
  5300.       let strText = title;
  5301.  
  5302.       let tabsDeferredSess = pageSession.session();
  5303.       if (!scriptEnable && tabsDeferred.resolved) { }
  5304.       else tabsDeferred.debounce(() => {
  5305.  
  5306.         if (!tabsDeferredSess.isValid) return;
  5307.         tabsDeferredSess = null;
  5308.  
  5309.  
  5310.         let res = [];
  5311.         for (const keyword of keywords) {
  5312.           if (strText.toUpperCase().includes(keyword.toUpperCase())) {
  5313.             res.push(keyword);
  5314.           }
  5315.         }
  5316.         if (res.length > 0) {
  5317.           console.log('tabview video keywords', res)
  5318.           window.postMessage({
  5319.             tabview: {
  5320.               eventType: 0x3700,
  5321.               eventDetail: {
  5322.                 keywords: res
  5323.               }
  5324.             }
  5325.           }, location.origin);
  5326.         }
  5327.  
  5328.  
  5329.  
  5330.         let strElms = document.querySelectorAll('#title.ytd-watch-metadata yt-formatted-string.style-scope.ytd-watch-metadata');
  5331.         //console.log(keywords,strElms)
  5332.         for (const strElm of strElms) {
  5333.           if (strElm.id == 'super-title' || strElm.id == 'original-info') {
  5334.  
  5335.           } else {
  5336.             if (strElm.querySelector('*')) {
  5337.  
  5338.             } else {
  5339.               /** @type{string} */
  5340.               let strText = strElm.textContent;
  5341.               if (strText) {
  5342.  
  5343.                 let res = [];
  5344.                 for (const keyword of keywords) {
  5345.                   if (strText.toUpperCase().includes(keyword.toUpperCase())) {
  5346.                     res.push(keyword);
  5347.                   }
  5348.                 }
  5349.                 if (res.length > 0) {
  5350.                   console.log('tabview video keywords', res)
  5351.  
  5352.                   if (res.length > 1) res.sort((a, b) => { return b.length - a.length });
  5353.                   let usedKeywords = {};
  5354.                   for (const s of res) {
  5355.                     strText = strText.replacei(s, ((s) => {
  5356.                       usedKeywords[s] = true;
  5357.                       return `\n${s}\n`
  5358.                     }))
  5359.                   }
  5360.                   strText = strText.replace(`\n\n+`, '\n')
  5361.                   let retElms = strText.split('\n').map(w => {
  5362.                     let elm = document.createElement('tabview-txt')
  5363.                     if (usedKeywords[w]) elm.classList.add('tabview-title-keyword')
  5364.                     elm.textContent = w;
  5365.                     return elm
  5366.                   })
  5367.  
  5368.                   let p = querySelectorFromAnchor.call(strElm.parentNode, '.tabview-txt');
  5369.  
  5370.                   if (!p) {
  5371.                     p = strElm.cloneNode(false)
  5372.                     p.classList.add('tabview-txt')
  5373.                     strElm.after(p);
  5374.                   } else {
  5375.                     strElm.after(p);
  5376.                   }
  5377.  
  5378.                   requestAnimationFrame(() => {
  5379.  
  5380.                     p.textContent = 'x';
  5381.                     p.firstChild.replaceWith(...retElms);
  5382.                     p.removeAttribute('is-empty')
  5383.                     strElm.setAttribute('is-empty', '')
  5384.  
  5385.                   })
  5386.  
  5387.  
  5388.                 }
  5389.                 break;
  5390.               }
  5391.             }
  5392.           }
  5393.         }
  5394.  
  5395.       })
  5396.  
  5397.     }
  5398.  
  5399.  
  5400.   }
  5401.  
  5402.   function setToggleInfo() {
  5403.  
  5404.     scriptletDeferred.d().then(() => {
  5405.  
  5406.       let elem = document.querySelector('#primary.ytd-watch-flexy #below ytd-watch-metadata #info-container.ytd-watch-metadata:first-child:not([tyt-info-toggler])')
  5407.       if (elem) {
  5408.  
  5409.         elem.setAttribute('tyt-info-toggler', '')
  5410.         elem.dispatchEvent(new CustomEvent('tyt-info-toggler'))
  5411.  
  5412.       }
  5413.  
  5414.     });
  5415.   }
  5416.  
  5417.  
  5418.   function flexyAttr_toggleFlag(mFlag, b, flag) {
  5419.     return b ? (mFlag | flag) : (mFlag & ~flag);
  5420.   }
  5421.  
  5422.   function flexAttr_toLayoutStatus(nls, attributeName) {
  5423.  
  5424.     let attrElm, b, v;
  5425.     switch (attributeName) {
  5426.       case 'theater':
  5427.         b = isTheater();
  5428.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_THEATER);
  5429.         break;
  5430.       case 'tyt-chat':
  5431.         attrElm = es.ytdFlexy;
  5432.         v = attrElm.getAttribute('tyt-chat');
  5433.  
  5434.         if (v !== null && v.charAt(0) === '-') {
  5435.           nls = flexyAttr_toggleFlag(nls, true, LAYOUT_CHATROOM | LAYOUT_CHATROOM_COLLAPSED);
  5436.         } else {
  5437.           nls = flexyAttr_toggleFlag(nls, v !== null, LAYOUT_CHATROOM);
  5438.           nls = flexyAttr_toggleFlag(nls, false, LAYOUT_CHATROOM_COLLAPSED);
  5439.         }
  5440.  
  5441.         break;
  5442.       case 'is-two-columns_':
  5443.         b = isWideScreenWithTwoColumns();
  5444.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_TWO_COLUMNS);
  5445.         break;
  5446.  
  5447.       case 'tyt-tab':
  5448.         attrElm = es.ytdFlexy;
  5449.         b = isNonEmptyString(attrElm.getAttribute('tyt-tab'));
  5450.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_TAB_EXPANDED);
  5451.         break;
  5452.  
  5453.       case 'fullscreen':
  5454.         attrElm = es.ytdFlexy;
  5455.         b = attrElm.hasAttribute('fullscreen');
  5456.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_FULLSCREEN);
  5457.         break;
  5458.  
  5459.       case 'tyt-ep-visible':
  5460.         attrElm = es.ytdFlexy;
  5461.         v = attrElm.getAttribute('tyt-ep-visible');
  5462.         b = (+v > 0)
  5463.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_ENGAGEMENT_PANEL_EXPAND);
  5464.         break;
  5465.  
  5466.     }
  5467.  
  5468.     return nls;
  5469.  
  5470.  
  5471.   }
  5472.  
  5473.  
  5474.   const mtf_attrFlexy_functions = {
  5475.     'tyt-chat': () => {
  5476.       if (!scriptEnable) return;
  5477.       //delayed call => check with the "no active focus" condition with chatroom status
  5478.       if (!isAnyActiveTab() && !isChatExpand() && !isTheater() && isWideScreenWithTwoColumns() && !isFullScreen()) {
  5479.         setToActiveTab();
  5480.       }
  5481.     },
  5482.     'tyt-ep-visible': () => {
  5483.       if (!scriptEnable) return;
  5484.       //delayed call => check with the "no active focus" condition with engagement panel status
  5485.       if (!isAnyActiveTab() && !isEngagementPanelExpanded() && !isTheater() && isWideScreenWithTwoColumns() && !isFullScreen() && !isChatExpand()) {
  5486.         setToActiveTab();
  5487.       }
  5488.     }
  5489.   }
  5490.  
  5491.   function ito_details(entries, observer) {
  5492.     if (!detailsTriggerReset) return;
  5493.     if (!entries || entries.length !== 1) return; // unlikely
  5494.     let entry = entries[0];
  5495.     //console.log(entries)
  5496.     if (entry.isIntersecting === true) {
  5497.  
  5498.       if ((wls.layoutStatus & (LAYOUT_TWO_COLUMNS | LAYOUT_FULLSCREEN)) !== (LAYOUT_TWO_COLUMNS | LAYOUT_FULLSCREEN))
  5499.         return;
  5500.  
  5501.       let dom = entry.target;
  5502.       if (!dom) return; //unlikely
  5503.  
  5504.       let bool = false;
  5505.  
  5506.       let descClickable = null;
  5507.  
  5508.       if ((wls.layoutStatus & (LAYOUT_ENGAGEMENT_PANEL_EXPAND | LAYOUT_CHATROOM_EXPANDED | LAYOUT_TAB_EXPANDED)) === 0) {
  5509.         bool = false;
  5510.       } else {
  5511.  
  5512.         descClickable = closestDOM.call(dom, '#description.item.style-scope.ytd-watch-metadata')
  5513.         if (descClickable) {
  5514.           detailsTriggerReset = false;
  5515.           bool = true;
  5516.         }
  5517.       }
  5518.  
  5519.  
  5520.       async function runAsync(dom) {
  5521.  
  5522.         if (bool) {
  5523.  
  5524.           let descClickable = closestDOM.call(dom, '#description.item.style-scope.ytd-watch-metadata')
  5525.           if (descClickable) {
  5526.             descClickable.click();
  5527.           }
  5528.  
  5529.         }
  5530.  
  5531.         await new Promise(r => setTimeout(r, 20));
  5532.  
  5533.         let pInner, h1, h2;
  5534.         try {
  5535.           let x = closestDOM.call(dom, '#description.item.style-scope.ytd-watch-metadata');
  5536.           h2 = x.offsetHeight;
  5537.           pInner = closestDOM.call(x, '#primary-inner')
  5538.           h1 = pInner.offsetHeight;
  5539.           x.setAttribute('userscript-scrollbar-render', '')
  5540.         } catch (e) {
  5541.  
  5542.         }
  5543.  
  5544.         //console.log(56565, h1, h2)
  5545.  
  5546.         if (h1 > h2 && h2 > 0 && h1 > 0) {
  5547.  
  5548.           pInner.style.setProperty('--tyt-desc-top-h', `${h1 - h2}px`)
  5549.  
  5550.         } else {
  5551.           pInner.style.setProperty('--tyt-desc-top-h', 0)
  5552.  
  5553.         }
  5554.  
  5555.       }
  5556.  
  5557.       runAsync(dom);
  5558.  
  5559.  
  5560.     }
  5561.  
  5562.   }
  5563.  
  5564.   const mtf_attrFlexy = (mutations, observer) => {
  5565.  
  5566.     //attr mutation checker - $$ytdFlexyElm$$ {ytd-watch-flexy} \single
  5567.     //::attr    
  5568.     // ~ 'tyt-chat', 'theater', 'is-two-columns_', 
  5569.     // ~ 'tyt-tab', 'fullscreen', 'tyt-ep-visible', 
  5570.     // ~ 'hidden', 'is-extra-wide-video_'
  5571.  
  5572.     //console.log(15330, scriptEnable, es.ytdFlexy, mutations)
  5573.  
  5574.     if (!scriptEnable) return;
  5575.  
  5576.     const cssElm = es.ytdFlexy;
  5577.     if (!cssElm) return;
  5578.  
  5579.     if (!mutations) return;
  5580.  
  5581.     const old_layoutStatus = wls.layoutStatus
  5582.     if (old_layoutStatus === 0) return;
  5583.     let new_layoutStatus = old_layoutStatus;
  5584.  
  5585.     let checkedChat = false;
  5586.  
  5587.     for (const mutation of mutations) {
  5588.       new_layoutStatus = flexAttr_toLayoutStatus(new_layoutStatus, mutation.attributeName);
  5589.       _console.log(8221, 18, mutation.attributeName)
  5590.       if (mutation.attributeName === 'tyt-chat') {
  5591.  
  5592.         if (!checkedChat) {
  5593.           checkedChat = true; // avoid double call
  5594.  
  5595.           if ((cssElm.getAttribute('tyt-chat') || '').indexOf('chat$live') >= 0) {
  5596.             // assigned new attribute - "chat$live" => disable comments section
  5597.  
  5598.             //console.log(3712,2)
  5599.             _disableComments();
  5600.           }
  5601.  
  5602.           if (!cssElm.hasAttribute('tyt-chat')) {
  5603.             // might or might not collapsed before
  5604.             timeline.setTimeout(mtf_attrFlexy_functions['tyt-chat'], 240);
  5605.           }
  5606.         }
  5607.  
  5608.       } else if (mutation.attributeName === 'tyt-ep-visible') {
  5609.         // assume any other active component such as tab content and chatroom
  5610.  
  5611.         if (+(cssElm.getAttribute('tyt-ep-visible') || 0) === 0 && +mutation.oldValue > 0) {
  5612.           timeline.setTimeout(mtf_attrFlexy_functions['tyt-ep-visible'], 240);
  5613.         }
  5614.       } else if (mutation.attributeName === 'is-extra-wide-video_') {
  5615.         setTimeout(() => {
  5616.           updateFloatingSlider();  //required for hover slider // eg video after ads
  5617.         }, 1);
  5618.       }
  5619.     }
  5620.  
  5621.     new_layoutStatus = fixLayoutStatus(new_layoutStatus);
  5622.  
  5623.     if (new_layoutStatus !== old_layoutStatus) {
  5624.       wls.layoutStatus = new_layoutStatus
  5625.  
  5626.  
  5627.  
  5628.     }
  5629.  
  5630.   }
  5631.  
  5632.  
  5633.   function setupChatFrameDisplayState1(chatBlockR, initialDisplayState) {
  5634.  
  5635.  
  5636.     const ytdFlexyElm = es.ytdFlexy;
  5637.     if (!scriptEnable || !ytdFlexyElm) return;
  5638.  
  5639.     let chatTypeChanged = mtf_chatBlockQ !== chatBlockR;
  5640.  
  5641.     let attr_chatblock = chatBlockR === 1 ? 'chat$live' : chatBlockR === 3 ? 'chat$playback' : false;
  5642.     let attr_chatcollapsed = false;
  5643.  
  5644.  
  5645.     if (attr_chatblock) {
  5646.       let chatFrame = document.querySelector('ytd-live-chat-frame#chat')
  5647.       if (chatFrame) {
  5648.         attr_chatcollapsed = chatFrame.hasAttribute('collapsed');
  5649.         if (!attr_chatcollapsed) {
  5650.  
  5651.           //nativeFunc(p,'setupPlayerProgressRelay')
  5652.           //if(!p.isFrameReady)
  5653.           //nativeFunc(p, "urlChanged")
  5654.           //console.log(12399,1)
  5655.           chatFrame.dispatchEvent(new CustomEvent("tabview-chatroom-newpage")); //possible empty iframe is shown
  5656.  
  5657.         }
  5658.       } else {
  5659.         attr_chatcollapsed = initialDisplayState === 'LIVE_CHAT_DISPLAY_STATE_COLLAPSED' ? true : false;
  5660.       }
  5661.     }
  5662.  
  5663.     if (chatTypeChanged) {
  5664.       mtf_chatBlockQ = chatBlockR
  5665.  
  5666.       _console.log(932, 2, attr_chatblock, attr_chatcollapsed)
  5667.  
  5668.       //LIVE_CHAT_DISPLAY_STATE_COLLAPSED
  5669.       //LIVE_CHAT_DISPLAY_STATE_EXPANDED
  5670.       let v = attr_chatblock
  5671.       if (typeof attr_chatblock == 'string') {
  5672.  
  5673.         if (attr_chatcollapsed === true) v = '-' + attr_chatblock
  5674.         if (attr_chatcollapsed === false) v = '+' + attr_chatblock;
  5675.       }
  5676.       wAttr(ytdFlexyElm, 'tyt-chat', v)
  5677.  
  5678.       _console.log(932, 3, ytdFlexyElm.hasAttribute('tyt-chat'))
  5679.  
  5680.  
  5681.     }
  5682.  
  5683.     return { attr_chatblock, attr_chatcollapsed, chatTypeChanged }
  5684.   }
  5685.  
  5686.   function setupChatFrameDisplayState2() {
  5687.  
  5688.     const ytdFlexyElm = es.ytdFlexy;
  5689.     if (!scriptEnable || !ytdFlexyElm) return null;
  5690.  
  5691.     // this is a backup solution only; should be abandoned
  5692.  
  5693.     let attr_chatblock = null
  5694.     let attr_chatcollapsed = null;
  5695.  
  5696.     const elmChat = document.querySelector('ytd-live-chat-frame#chat')
  5697.     let elmCont = null;
  5698.     if (elmChat) {
  5699.       elmCont = chatFrameElement('yt-live-chat-renderer #continuations')
  5700.  
  5701.  
  5702.       let s = 0;
  5703.       if (elmCont) {
  5704.         //not found if it is collapsed.
  5705.         s |= querySelectorFromAnchor.call(elmCont, 'yt-timed-continuation') ? 1 : 0;
  5706.         s |= querySelectorFromAnchor.call(elmCont, 'yt-live-chat-replay-continuation, yt-player-seek-continuation') ? 2 : 0;
  5707.         //s |= elmCont.querySelector('yt-live-chat-restricted-participation-renderer')?4:0;
  5708.         if (s == 1) {
  5709.           attr_chatblock = 'chat$live';
  5710.         } else if (s == 2) attr_chatblock = 'chat$playback';
  5711.  
  5712.         if (s == 1) {
  5713.           let cmCountElm = document.querySelector("span#tyt-cm-count")
  5714.           if (cmCountElm) cmCountElm.textContent = '';
  5715.         }
  5716.  
  5717.       } else if (!ytdFlexyElm.hasAttribute('tyt-chat')) {
  5718.         // live chat frame but type not known
  5719.  
  5720.         attr_chatblock = '';
  5721.  
  5722.       }
  5723.       //keep unknown as original    
  5724.  
  5725.  
  5726.       let isCollapsed = !!elmChat.hasAttribute('collapsed');
  5727.       attr_chatcollapsed = isCollapsed;
  5728.  
  5729.     } else {
  5730.       attr_chatblock = false;
  5731.       attr_chatcollapsed = false;
  5732.  
  5733.     }
  5734.  
  5735.     return { attr_chatblock, attr_chatcollapsed }
  5736.  
  5737.   }
  5738.  
  5739.  
  5740.   const mtf_checkFlexy = () => {
  5741.     // once per $$native-ytd-watch-flexy$$ {ytd-watch-flexy} detection
  5742.  
  5743.     const ytdFlexyElm = es.ytdFlexy;
  5744.     if (!scriptEnable || !ytdFlexyElm) return true;
  5745.  
  5746.  
  5747.     wls.layoutStatus = 0;
  5748.  
  5749.     let isFlexyHidden = (ytdFlexyElm.hasAttribute('hidden'));
  5750.  
  5751.     if (!isFlexyHidden) {
  5752.       let rChatExist = setupChatFrameDisplayState2();
  5753.       if (rChatExist) {
  5754.         let { attr_chatblock, attr_chatcollapsed } = rChatExist;
  5755.         if (attr_chatblock === null) {
  5756.           //remove attribute if it is unknown
  5757.           attr_chatblock = false;
  5758.           attr_chatcollapsed = false;
  5759.         }
  5760.         let v = attr_chatblock;
  5761.         if (typeof v === 'string') {
  5762.           if (attr_chatcollapsed === true) v = '-' + v;
  5763.           if (attr_chatcollapsed === false) v = '+' + v;
  5764.         }
  5765.         wAttr(ytdFlexyElm, 'tyt-chat', v)
  5766.  
  5767.       }
  5768.     }
  5769.  
  5770.     let rTabSelection = [...querySelectorAllFromAnchor.call(ytdFlexyElm, '.tab-btn[tyt-tab-content]')]
  5771.       .map(elm => ({ elm, hidden: elm.classList.contains('tab-btn-hidden') }));
  5772.  
  5773.     if (rTabSelection.length === 0) {
  5774.       wAttr(ytdFlexyElm, 'tyt-tab', false);
  5775.     } else {
  5776.       rTabSelection = rTabSelection.filter(entry => entry.hidden !== true); // all available tabs
  5777.       if (rTabSelection.length === 0) wAttr(ytdFlexyElm, 'tyt-tab', '');
  5778.     }
  5779.     rTabSelection = null;
  5780.  
  5781.     let rEP = engagement_panels_();
  5782.     if (rEP && rEP.list.length > 0) {
  5783.       wAttr(ytdFlexyElm, 'tyt-ep-visible', `${rEP.value}`);
  5784.     } else {
  5785.       wAttr(ytdFlexyElm, 'tyt-ep-visible', false);
  5786.     }
  5787.  
  5788.     let ls = LAYOUT_VAILD;
  5789.     ls = flexAttr_toLayoutStatus(ls, 'theater')
  5790.     ls = flexAttr_toLayoutStatus(ls, 'tyt-chat')
  5791.     ls = flexAttr_toLayoutStatus(ls, 'is-two-columns_')
  5792.     ls = flexAttr_toLayoutStatus(ls, 'tyt-tab')
  5793.     ls = flexAttr_toLayoutStatus(ls, 'fullscreen')
  5794.     ls = flexAttr_toLayoutStatus(ls, 'tyt-ep-visible')
  5795.  
  5796.     fixLayoutStatus(ls)
  5797.  
  5798.     wls.layoutStatus = ls
  5799.  
  5800.     mtoFlexyAttr.bindElement(ytdFlexyElm, {
  5801.       attributes: true,
  5802.       attributeFilter: ['tyt-chat', 'theater', 'is-two-columns_', 'tyt-tab', 'fullscreen', 'tyt-ep-visible', 'hidden', 'is-extra-wide-video_'],
  5803.       attributeOldValue: true
  5804.     })
  5805.  
  5806.     let columns = document.querySelector('ytd-page-manager#page-manager #columns.ytd-watch-flexy')
  5807.     if (columns) {
  5808.       wAttr(columns, 'userscript-scrollbar-render', true);
  5809.     }
  5810.  
  5811.     return false;
  5812.   }
  5813.  
  5814.  
  5815.   function switchTabActivity(activeLink) {
  5816.  
  5817.     //console.log(4545, activeLink)
  5818.     if (!scriptEnable) return;
  5819.  
  5820.     const ytdFlexyElm = es.ytdFlexy;
  5821.  
  5822.     if (!ytdFlexyElm) return;
  5823.  
  5824.     if (activeLink && activeLink.classList.contains('tab-btn-hidden')) return; // not allow to switch to hide tab
  5825.  
  5826.     //if (isTheater() && isWideScreenWithTwoColumns()) activeLink = null;
  5827.  
  5828.  
  5829.     function runAtEnd() {
  5830.  
  5831.       if (activeLink) {
  5832.         lstTab.lastTab = activeLink.getAttribute('tyt-tab-content')
  5833.         lstTab.lastPanel = null;
  5834.  
  5835.         if (!document.querySelector(`${lstTab.lastTab}.tab-content-cld tabview-view-tab-expander`)) {
  5836.  
  5837.           let secondary = document.querySelector('#secondary.ytd-watch-flexy');
  5838.           if (secondary) {
  5839.             secondary.dispatchEvent(new CustomEvent('tabview-hover-slider-restore'))
  5840.             //console.log(1995)
  5841.           }
  5842.  
  5843.  
  5844.         }
  5845.       }
  5846.  
  5847.       ytdFlexyElm.setAttribute('tyt-tab', activeLink ? lstTab.lastTab : '')
  5848.  
  5849.     }
  5850.  
  5851.     const links = document.querySelectorAll('#material-tabs a[tyt-tab-content]');
  5852.  
  5853.     //console.log(701, activeLink)
  5854.  
  5855.     for (const link of links) {
  5856.       let content = document.querySelector(link.getAttribute('tyt-tab-content'));
  5857.       if (link && content) {
  5858.         if (link !== activeLink) {
  5859.           link.classList.remove("active");
  5860.           content.classList.add("tab-content-hidden");
  5861.         } else {
  5862.           link.classList.add("active");
  5863.           content.classList.remove("tab-content-hidden");
  5864.  
  5865.         }
  5866.       }
  5867.     }
  5868.  
  5869.     runAtEnd();
  5870.  
  5871.  
  5872.   }
  5873.  
  5874.  
  5875.   function getStore() {
  5876.     let s = localStorage[STORE_key];
  5877.     function resetStore() {
  5878.       let ret = {
  5879.         version: 1,
  5880.       };
  5881.       localStorage[STORE_key] = JSON.stringify(ret);
  5882.       return ret;
  5883.     }
  5884.     if (!s) return resetStore();
  5885.     let obj = null;
  5886.     try {
  5887.       obj = JSON.parse(s);
  5888.     } catch (e) { }
  5889.     return obj && obj.version === STORE_VERSION ? obj : resetStore();
  5890.   }
  5891.  
  5892.   function setStore(obj) {
  5893.     if (!obj || typeof obj !== 'object') return false;
  5894.     if (obj.version !== STORE_VERSION) return false;
  5895.     localStorage[STORE_key] = JSON.stringify(obj);
  5896.     return true;
  5897.   }
  5898.  
  5899.  
  5900.  
  5901.   async function handlerMaterialTabClickInner(tabBtn) {
  5902.  
  5903.     await Promise.resolve(0);
  5904.  
  5905.     const layoutStatusMutexUnlock = await new Promise(resolve => {
  5906.       layoutStatusMutex.lockWith(unlock => {
  5907.         resolve(unlock)
  5908.       })
  5909.     });
  5910.  
  5911.     //console.log(8514)
  5912.     let unlock = layoutStatusMutexUnlock;
  5913.  
  5914.     //console.log(8515)
  5915.     switchTabActivity_lastTab = tabBtn.getAttribute('tyt-tab-content');
  5916.  
  5917.     let isActiveAndVisible = tabBtn.classList.contains('tab-btn') && tabBtn.classList.contains('active') && !tabBtn.classList.contains('tab-btn-hidden')
  5918.  
  5919.     _console.log(8221, 15, isActiveAndVisible)
  5920.  
  5921.     if (isFullScreen()) {
  5922.  
  5923.  
  5924.       const fullScreenTabScrollIntoView = () => {
  5925.         let scrollElement = document.querySelector('ytd-app[scrolling]')
  5926.         if (!scrollElement) return;
  5927.         // single column view; click button; scroll to tab content area 100%
  5928.         let rightTabs = document.querySelector('#right-tabs');
  5929.         let pTop = rightTabs.getBoundingClientRect().top - scrollElement.getBoundingClientRect().top
  5930.         if (rightTabs && pTop > 0 && tabBtn.classList.contains('active')) {
  5931.           rightTabs.scrollIntoView(false);
  5932.         }
  5933.       }
  5934.  
  5935.       _console.log(8221, 16, 1)
  5936.  
  5937.       if (isActiveAndVisible) {
  5938.         timeline.setTimeout(unlock, 80);
  5939.         switchTabActivity(null);
  5940.       } else {
  5941.  
  5942.         if (isChatExpand() && isWideScreenWithTwoColumns()) {
  5943.           ytBtnCollapseChat();
  5944.         } else if (isEngagementPanelExpanded() && isWideScreenWithTwoColumns()) {
  5945.           ytBtnCloseEngagementPanels();
  5946.         }
  5947.  
  5948.         timeline.setTimeout(fullScreenTabScrollIntoView, 60)
  5949.  
  5950.         timeline.setTimeout(unlock, 80);
  5951.         switchTabActivity(tabBtn)
  5952.       }
  5953.  
  5954.     }else if (isWideScreenWithTwoColumns() && !isTheater() && isActiveAndVisible) {
  5955.  
  5956.       _console.log(8221, 16, 2)
  5957.       //optional
  5958.       timeline.setTimeout(unlock, 80);
  5959.       switchTabActivity(null);
  5960.       ytBtnSetTheater();
  5961.     } else if (isActiveAndVisible) {
  5962.  
  5963.       _console.log(8221, 16, 3)
  5964.       timeline.setTimeout(unlock, 80);
  5965.       switchTabActivity(null);
  5966.     } else {
  5967.  
  5968.       _console.log(8221, 16, 4)
  5969.  
  5970.       if (isChatExpand() && isWideScreenWithTwoColumns()) {
  5971.         ytBtnCollapseChat();
  5972.       } else if (isEngagementPanelExpanded() && isWideScreenWithTwoColumns()) {
  5973.         ytBtnCloseEngagementPanels();
  5974.       } else if (isWideScreenWithTwoColumns() && isTheater() && !isFullScreen()) {
  5975.         ytBtnCancelTheater(); //ytd-watch-flexy attr [theater]
  5976.       }
  5977.  
  5978.       timeline.setTimeout(() => {
  5979.         // single column view; click button; scroll to tab content area 100%
  5980.         let rightTabs = document.querySelector('#right-tabs');
  5981.         if (!isWideScreenWithTwoColumns() && rightTabs && rightTabs.offsetTop > 0 && tabBtn.classList.contains('active')) {
  5982.           let tabButtonBar = document.querySelector('#material-tabs');
  5983.           let tabButtonBarHeight = tabButtonBar ? tabButtonBar.offsetHeight : 0;
  5984.           window.scrollTo(0, rightTabs.offsetTop - tabButtonBarHeight);
  5985.         }
  5986.       }, 60)
  5987.       // _console.log(8519)
  5988.  
  5989.       timeline.setTimeout(unlock, 80)
  5990.       switchTabActivity(tabBtn)
  5991.  
  5992.     }
  5993.  
  5994.  
  5995.   }
  5996.  
  5997.   function handlerMaterialTabClick(/** @type {MouseEvent} */ evt) {
  5998.  
  5999.     //console.log(8510)
  6000.     const ytdFlexyElm = es.ytdFlexy;
  6001.     if (!scriptEnable || !ytdFlexyElm) return null;
  6002.  
  6003.     let tabBtn = this;
  6004.  
  6005.     if (!tabBtn.hasAttribute('tyt-tab-content')) return;
  6006.  
  6007.     /** @type {HTMLElement | null} */
  6008.     let dom = evt.target;
  6009.     if (!dom) return;
  6010.  
  6011.     if (dom.classList.contains('font-size-btn')) return;
  6012.  
  6013.  
  6014.     evt.preventDefault();
  6015.  
  6016.     handlerMaterialTabClickInner(tabBtn);
  6017.  
  6018.  
  6019.   }
  6020.  
  6021.   function prepareTabBtn() {
  6022.  
  6023.     const materialTab = document.querySelector("#material-tabs")
  6024.     if (!materialTab) return;
  6025.  
  6026.     let noActiveTab = !!document.querySelector('ytd-watch-flexy[tyt-chat^="+"]')
  6027.  
  6028.     const activeLink = querySelectorFromAnchor.call(materialTab, 'a[tyt-tab-content].active:not(.tab-btn-hidden)')
  6029.     if (activeLink) switchTabActivity(noActiveTab ? null : activeLink)
  6030.  
  6031.     if (!tabsUiScript_setclick) {
  6032.       tabsUiScript_setclick = true;
  6033.  
  6034.       let fontSizeBtnClick = null;
  6035.  
  6036.       materialTab.addEventListener('click', function (evt) {
  6037.  
  6038.         if (!evt.isTrusted) return; // prevent call from background
  6039.         let dom = evt.target;
  6040.         if ((dom || 0).nodeType !== 1) return;
  6041.  
  6042.         const domInteraction = dom.getAttribute('tyt-di');
  6043.         if (domInteraction === 'q9Kjc') {
  6044.           handlerMaterialTabClick.call(dom, evt)
  6045.         } else if (domInteraction === '8rdLQ') {
  6046.           fontSizeBtnClick.call(dom, evt)
  6047.         }
  6048.  
  6049.  
  6050.       }, true)
  6051.  
  6052.       function updateCSS_fontsize() {
  6053.  
  6054.         let store = getStore();
  6055.  
  6056.         const ytdFlexyElm = es.ytdFlexy;
  6057.         if (ytdFlexyElm) {
  6058.           if (store['font-size-#tab-info']) ytdFlexyElm.style.setProperty('--ut2257-info', store['font-size-#tab-info'])
  6059.           if (store['font-size-#tab-comments']) ytdFlexyElm.style.setProperty('--ut2257-comments', store['font-size-#tab-comments'])
  6060.           if (store['font-size-#tab-videos']) ytdFlexyElm.style.setProperty('--ut2257-videos', store['font-size-#tab-videos'])
  6061.           if (store['font-size-#tab-list']) ytdFlexyElm.style.setProperty('--ut2257-list', store['font-size-#tab-list'])
  6062.         }
  6063.  
  6064.       }
  6065.  
  6066.       fontSizeBtnClick = function (evt) {
  6067.  
  6068.         evt.preventDefault();
  6069.         evt.stopPropagation();
  6070.         evt.stopImmediatePropagation();
  6071.  
  6072.         /** @type {HTMLElement | null} */
  6073.         let dom = evt.target;
  6074.         if (!dom) return;
  6075.  
  6076.  
  6077.         let value = dom.classList.contains('font-size-plus') ? 1 : dom.classList.contains('font-size-minus') ? -1 : 0;
  6078.  
  6079.         let active_tab_content = closestDOM.call(dom, '[tyt-tab-content]').getAttribute('tyt-tab-content');
  6080.  
  6081.         let store = getStore();
  6082.         let settingKey = `font-size-${active_tab_content}`
  6083.         if (!store[settingKey]) store[settingKey] = 1.0;
  6084.         if (value < 0) store[settingKey] -= 0.05;
  6085.         else if (value > 0) store[settingKey] += 0.05;
  6086.         if (store[settingKey] < 0.1) store[settingKey] = 0.1;
  6087.         else if (store[settingKey] > 10) store[settingKey] = 10.0;
  6088.         setStore(store);
  6089.  
  6090.  
  6091.         updateCSS_fontsize();
  6092.  
  6093.       }
  6094.       //$(materialTab).on("click", ".font-size-btn", );
  6095.  
  6096.       updateCSS_fontsize();
  6097.  
  6098.  
  6099.     }
  6100.  
  6101.   }
  6102.  
  6103.   function setStickyHeader(targetElm, bool, getWidthHeight, getLeftRight) {
  6104.  
  6105.     //if(isStickyHeaderEnabled===bool) return; // no update
  6106.  
  6107.     if (bool === true) {
  6108.       const { width, height } = getWidthHeight();
  6109.       targetElm.style.setProperty("--tyt-stickybar-w", width + 'px')
  6110.       targetElm.style.setProperty("--tyt-stickybar-h", height + 'px')
  6111.       const res = getLeftRight();
  6112.       if (res) {
  6113.  
  6114.         targetElm.style.setProperty("--tyt-stickybar-l", (res.left) + 'px')
  6115.         targetElm.style.setProperty("--tyt-stickybar-r", (res.right) + 'px')
  6116.  
  6117.       }
  6118.       wAttr(targetElm, 'tyt-stickybar', true);
  6119.       isStickyHeaderEnabled = true;
  6120.  
  6121.     } else if (bool === false) {
  6122.  
  6123.       wAttr(targetElm, 'tyt-stickybar', false);
  6124.       isStickyHeaderEnabled = false;
  6125.     }
  6126.  
  6127.  
  6128.   }
  6129.  
  6130.   const singleColumnScrolling = async function () {
  6131.     //makeHeaderFloat
  6132.     // required for 1) init 2) layout change 3) resizing
  6133.  
  6134.     if (!scriptEnable || pageType !== 'watch') return;
  6135.  
  6136.  
  6137.     let isTwoCol = (wls.layoutStatus & LAYOUT_TWO_COLUMNS) === LAYOUT_TWO_COLUMNS;
  6138.     if (isTwoCol) {
  6139.  
  6140.       if (isStickyHeaderEnabled) {
  6141.  
  6142.         let targetElm = document.querySelector("#right-tabs");
  6143.         setStickyHeader(targetElm, false, null, null);
  6144.       }
  6145.       return;
  6146.     }
  6147.  
  6148.     let pageY = scrollY;
  6149.  
  6150.  
  6151.     let tdt = Date.now();
  6152.     singleColumnScrolling_dt = tdt;
  6153.  
  6154.  
  6155.     _console.log(7891, 'scrolling')
  6156.  
  6157.     function getXYStatus(res) {
  6158.  
  6159.       const [navHeight, elmY] = res;
  6160.  
  6161.       let xyz = [elmY + navHeight, pageY, elmY - navHeight]
  6162.  
  6163.       let xyStatus = 0
  6164.       if (xyz[1] < xyz[2] && xyz[2] < xyz[0]) {
  6165.         // 1
  6166.         xyStatus = 1
  6167.       }
  6168.  
  6169.       if (xyz[0] > xyz[1] && xyz[1] > xyz[2]) {
  6170.  
  6171.         //2
  6172.         xyStatus = 2
  6173.  
  6174.       }
  6175.  
  6176.       if (xyz[2] < xyz[0] && xyz[0] < xyz[1]) {
  6177.         // 3
  6178.  
  6179.         xyStatus = 3
  6180.  
  6181.  
  6182.       }
  6183.  
  6184.       return xyStatus;
  6185.     }
  6186.  
  6187.     let [targetElm, header, navElm] = await Promise.all([
  6188.       new Promise(f => f(document.querySelector("#right-tabs"))),
  6189.  
  6190.       new Promise(f => f(document.querySelector("#right-tabs header"))),
  6191.  
  6192.       new Promise(f => f(document.querySelector('#masthead-container, #masthead'))),
  6193.  
  6194.     ]);
  6195.  
  6196.     function emptyForGC() {
  6197.       targetElm = null;
  6198.       header = null;
  6199.       navElm = null;
  6200.     }
  6201.  
  6202.     if (!targetElm || !header) {
  6203.       return emptyForGC();
  6204.     }
  6205.     if (singleColumnScrolling_dt !== tdt) return emptyForGC();
  6206.  
  6207.     let res2 = await Promise.all([
  6208.       new Promise(f => f(navElm ? navElm.offsetHeight : 0)),
  6209.       new Promise(f => f(targetElm.offsetTop))
  6210.     ])
  6211.  
  6212.     if (res2 === null) return emptyForGC();
  6213.  
  6214.     if (singleColumnScrolling_dt !== tdt) return emptyForGC();
  6215.  
  6216.  
  6217.     const xyStatus = getXYStatus(res2);
  6218.  
  6219.  
  6220.     function getLeftRight() {
  6221.  
  6222.       let thp = document.querySelector('tabview-view-pos-thead');
  6223.       if (thp) {
  6224.  
  6225.         let rect = thp.getBoundingClientRect()
  6226.         if (rect) {
  6227.           return {
  6228.             left: rect.left,
  6229.             right: document.documentElement.clientWidth - rect.right
  6230.           };
  6231.         }
  6232.       }
  6233.       return null;
  6234.     }
  6235.  
  6236.     let bool = (xyStatus == 2 || xyStatus == 3) ? true : ((xyStatus == 1) ? false : null);
  6237.  
  6238.     function getWidthHeight() {
  6239.       return { width: targetElm.offsetWidth, height: header.offsetHeight };
  6240.     }
  6241.  
  6242.     setStickyHeader(targetElm, bool, getWidthHeight, getLeftRight);
  6243.  
  6244.  
  6245.     emptyForGC();
  6246.  
  6247.   };
  6248.  
  6249.  
  6250.   const singleColumnScrolling2 = async function (xyStatus, width, xRect) {
  6251.     //makeHeaderFloat
  6252.  
  6253.     if (!scriptEnable || pageType !== 'watch') return;
  6254.  
  6255.  
  6256.     if ((wls.layoutStatus & LAYOUT_TWO_COLUMNS) === LAYOUT_TWO_COLUMNS) {
  6257.       return;
  6258.     }
  6259.  
  6260.     let [targetElm, header] = await Promise.all([
  6261.       new Promise(f => f(document.querySelector("#right-tabs"))),
  6262.       new Promise(f => f(document.querySelector("#right-tabs header")))
  6263.     ]);
  6264.  
  6265.     function emptyForGC() {
  6266.       targetElm = null;
  6267.       header = null;
  6268.     }
  6269.  
  6270.  
  6271.     if (!targetElm || !header) {
  6272.       return emptyForGC();
  6273.     }
  6274.  
  6275.     function getLeftRight() {
  6276.       return xRect;
  6277.     }
  6278.  
  6279.     let bool = (xyStatus == 2 || xyStatus == 3) ? true : ((xyStatus == 1) ? false : null);
  6280.  
  6281.     function getWidthHeight() {
  6282.       return { width: (width || targetElm.offsetWidth), height: header.offsetHeight };
  6283.     }
  6284.  
  6285.     setStickyHeader(targetElm, bool, getWidthHeight, getLeftRight);
  6286.  
  6287.     emptyForGC();
  6288.  
  6289.   };
  6290.  
  6291.  
  6292.   function resetBuggyLayoutForNewVideoPage() {
  6293.  
  6294.     const ytdFlexyElm = es.ytdFlexy;
  6295.     if (!ytdFlexyElm) return;
  6296.  
  6297.     //(flexy is visible and watch video page) 
  6298.  
  6299.     scriptEnable = true;
  6300.  
  6301.     _console.log(27056)
  6302.  
  6303.     let new_layoutStatus = wls.layoutStatus
  6304.  
  6305.     new_layoutStatus & (LAYOUT_CHATROOM_COLLAPSED | LAYOUT_CHATROOM)
  6306.  
  6307.     const new_isExpandedChat = !(new_layoutStatus & LAYOUT_CHATROOM_COLLAPSED) && !!(new_layoutStatus & LAYOUT_CHATROOM)
  6308.     const new_isCollapsedChat = !!(new_layoutStatus & LAYOUT_CHATROOM_COLLAPSED) && !!(new_layoutStatus & LAYOUT_CHATROOM)
  6309.  
  6310.     const new_isTwoColumns = new_layoutStatus & LAYOUT_TWO_COLUMNS;
  6311.     const new_isTheater = new_layoutStatus & LAYOUT_THEATER;
  6312.     const new_isTabExpanded = new_layoutStatus & LAYOUT_TAB_EXPANDED;
  6313.     const new_isFullScreen = new_layoutStatus & LAYOUT_FULLSCREEN;
  6314.     const new_isExpandEPanel = new_layoutStatus & LAYOUT_ENGAGEMENT_PANEL_EXPAND;
  6315.  
  6316.     if (ytdFlexyElm.getAttribute('tyt-tab') === '' && new_isTwoColumns && !new_isTheater && !new_isTabExpanded && !new_isFullScreen && !new_isExpandEPanel && !new_isExpandedChat) {
  6317.       // e.g. engage panel removed after miniview and change video
  6318.       setToActiveTab();
  6319.     } else if (new_isExpandEPanel && querySelectorAllFromAnchor.call(ytdFlexyElm, 'ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility="ENGAGEMENT_PANEL_VISIBILITY_EXPANDED"]:not([hidden])').length === 0) {
  6320.       wls.layoutStatus = new_layoutStatus & (~LAYOUT_ENGAGEMENT_PANEL_EXPAND)
  6321.     }
  6322.  
  6323.   }
  6324.  
  6325.  
  6326.   function extractInfoFromLiveChatRenderer(liveChatRenderer) {
  6327.  
  6328.     let lcr = liveChatRenderer
  6329.  
  6330.     let data_shb = ((lcr || 0).showHideButton || 0).toggleButtonRenderer
  6331.  
  6332.     let default_display_state = null, txt_collapse = null, txt_expand = null;
  6333.  
  6334.  
  6335.     if (data_shb && data_shb.defaultText && data_shb.toggledText && data_shb.defaultText.runs && data_shb.toggledText.runs) {
  6336.  
  6337.       if (data_shb.defaultText.runs.length === 1 && data_shb.toggledText.runs.length === 1) {
  6338.  
  6339.         if (lcr.initialDisplayState == "LIVE_CHAT_DISPLAY_STATE_EXPANDED") {
  6340.  
  6341.           default_display_state = lcr.initialDisplayState
  6342.  
  6343.           txt_collapse = (data_shb.defaultText.runs[0] || 0).text // COLLAPSE the area
  6344.  
  6345.           txt_expand = (data_shb.toggledText.runs[0] || 0).text // expand the area
  6346.  
  6347.         } else if (lcr.initialDisplayState == "LIVE_CHAT_DISPLAY_STATE_COLLAPSED") {
  6348.           default_display_state = lcr.initialDisplayState
  6349.  
  6350.           txt_expand = (data_shb.defaultText.runs[0] || 0).text // expand the area
  6351.  
  6352.           txt_collapse = (data_shb.toggledText.runs[0] || 0).text // COLLAPSE the area
  6353.         }
  6354.  
  6355.  
  6356.         if (typeof txt_expand == 'string' && typeof txt_collapse == 'string' && txt_expand.length > 0 && txt_collapse.length > 0) {
  6357.  
  6358.         } else {
  6359.           txt_expand = null;
  6360.           txt_collapse = null;
  6361.         }
  6362.       }
  6363.  
  6364.     }
  6365.  
  6366.     return { default_display_state, txt_collapse, txt_expand }
  6367.  
  6368.   }
  6369.  
  6370.  
  6371.   function newVideoPage(evt_detail) {
  6372.  
  6373.     //toggleBtnDC = 1;
  6374.  
  6375.     console.log('newVideoPage')
  6376.  
  6377.     const ytdFlexyElm = es.ytdFlexy;
  6378.     if (!ytdFlexyElm) return;
  6379.  
  6380.     timeline.reset();
  6381.     layoutStatusMutex = new Mutex();
  6382.  
  6383.     let liveChatRenderer = null;
  6384.     let isReplay = null;
  6385.  
  6386.     if (pageType !== 'watch') return; // scriptEnable -> pageType shall be always 'watch'
  6387.     resetBuggyLayoutForNewVideoPage();
  6388.  
  6389.     try {
  6390.       liveChatRenderer = evt_detail.pageData.response.contents.twoColumnWatchNextResults.conversationBar.liveChatRenderer
  6391.     } catch (e) { }
  6392.     if (liveChatRenderer) {
  6393.       if (liveChatRenderer.isReplay === true) isReplay = true;
  6394.     }
  6395.  
  6396.     pageFetchedDataVideoId = ((((evt_detail || 0).pageData || 0).playerResponse || 0).videoDetails || 0).videoId || 0;
  6397.  
  6398.  
  6399.     const chatBlockR = liveChatRenderer ? (isReplay ? 3 : 1) : 0
  6400.     const initialDisplayState = liveChatRenderer ? liveChatRenderer.initialDisplayState : null;
  6401.  
  6402.  
  6403.     liveChatRenderer = null; // release memory for GC, just in case
  6404.  
  6405.     let f = () => {
  6406.  
  6407.       _console.log(932, 1, 1)
  6408.       const ytdFlexyElm = es.ytdFlexy;
  6409.       if (!scriptEnable || !ytdFlexyElm) return;
  6410.  
  6411.       _console.log(932, 1, 2)
  6412.       if (pageType !== 'watch') return;
  6413.  
  6414.       _console.log(932, 1, 3)
  6415.  
  6416.  
  6417.       let displayState = setupChatFrameDisplayState1(chatBlockR, initialDisplayState);
  6418.  
  6419.       let { attr_chatblock, attr_chatcollapsed, chatTypeChanged } = displayState;
  6420.  
  6421.  
  6422.       if (pageType === 'watch') { // reset info when hidden
  6423.  
  6424.         let elm_storeLastPanel = es.storeLastPanel;
  6425.  
  6426.         if (!elm_storeLastPanel) storeLastPanel = null;
  6427.         else if (!isDOMVisible(elm_storeLastPanel)) {
  6428.           storeLastPanel = null;
  6429.           ytBtnCloseEngagementPanels();
  6430.         }
  6431.  
  6432.       }
  6433.  
  6434.       if (chatTypeChanged) {
  6435.  
  6436.         if (attr_chatblock == 'chat$live') {
  6437.  
  6438.           _console.log(932, 4)
  6439.  
  6440.           mtf_forceCheckLiveVideo_disable = 2;
  6441.  
  6442.           //console.log(3712,1)
  6443.  
  6444.           _disableComments();
  6445.  
  6446.  
  6447.         } else {
  6448.  
  6449.           const tabBtn = document.querySelector('[tyt-tab-content="#tab-comments"].tab-btn-hidden')
  6450.           if (tabBtn) {
  6451.             emptyCommentSection();
  6452.             _console.log(9360, 74);
  6453.             tabBtn.classList.remove("tab-btn-hidden")
  6454.           } else {
  6455.             setCommentSection(0);
  6456.           }
  6457.  
  6458.           mtf_forceCheckLiveVideo_disable = 0;
  6459.  
  6460.           _console.log(7234, 'comments_section_loaded = 0')
  6461.           restoreFetching();
  6462.  
  6463.  
  6464.         }
  6465.  
  6466.  
  6467.       } else {
  6468.  
  6469.         // restore Fetching only
  6470.  
  6471.         if (mtf_forceCheckLiveVideo_disable !== 2 && (attr_chatblock === false || attr_chatblock === 'chat$playback')) {
  6472.  
  6473.           emptyCommentSection();
  6474.           _console.log(9360, 77);
  6475.           mtf_forceCheckLiveVideo_disable = 0;
  6476.           _console.log(7235, 'comments_section_loaded = 0')
  6477.           restoreFetching();
  6478.  
  6479.         }
  6480.  
  6481.       }
  6482.  
  6483.  
  6484.       if (renderDeferred.resolved && Q.comments_section_loaded === 0 && fetchCounts.new && !fetchCounts.fetched) {
  6485.         fetchCounts.new.f();
  6486.         fetchCounts.fetched = true;
  6487.         _console.log(9972, 'fetched = true')
  6488.  
  6489.         fetchCommentsFinished();
  6490.       }
  6491.  
  6492.     }
  6493.  
  6494.     f();
  6495.  
  6496.   }
  6497.  
  6498.   function setVideosTwoColumns(/** @type {number} */ flag, /** @type {boolean} */ bool) {
  6499.  
  6500.     //two columns to one column
  6501.  
  6502.     /*
  6503.         [placeholder-videos] ytd-watch-next-secondary-results-renderer.style-scope.ytd-watch-flexy
  6504.  
  6505.         is-two-columns =""  => no is-two-columns
  6506.         
  6507.         
  6508.         
  6509.         [placeholder-videos] tp-yt-paper-spinner#spinner.style-scope.ytd-continuation-item-renderer
  6510.         
  6511.         no hidden => hidden =""
  6512.         
  6513.         
  6514.         [placeholder-videos] div#button.style-scope.ytd-continuation-item-renderer
  6515.         
  6516.         
  6517.         hidden ="" => no hidden
  6518.         
  6519.  
  6520.         */
  6521.  
  6522.     let cssSelector1 = '[placeholder-videos] ytd-watch-next-secondary-results-renderer.style-scope.ytd-watch-flexy'
  6523.  
  6524.     let cssSelector2 = '[placeholder-videos] tp-yt-paper-spinner#spinner.style-scope.ytd-continuation-item-renderer'
  6525.  
  6526.     let cssSelector3 = '[placeholder-videos] div#button.style-scope.ytd-continuation-item-renderer'
  6527.  
  6528.     let res = {}
  6529.     if (flag & 1) {
  6530.       res.m1 = document.querySelector(cssSelector1)
  6531.       if (res.m1) wAttr(res.m1, 'is-two-columns', bool ? '' : false);
  6532.     }
  6533.  
  6534.     if (flag & 2) {
  6535.       res.m2 = document.querySelector(cssSelector2)
  6536.       if (res.m2) wAttr(res.m2, 'hidden', bool ? false : '');
  6537.     }
  6538.  
  6539.     if (flag & 4) {
  6540.       res.m3 = document.querySelector(cssSelector3)
  6541.       if (res.m3) wAttr(res.m3, 'hidden', bool ? '' : false);
  6542.     }
  6543.  
  6544.     return res
  6545.  
  6546.  
  6547.   }
  6548.  
  6549.   
  6550.   // ---------------------------------------------------------------------------------------------
  6551.  
  6552.   // ---- EVENTS ----
  6553.  
  6554.   let ytEventSequence = 0
  6555.   let formatDates = null
  6556.  
  6557.   
  6558.   function pageBeingFetched(evt, isPageFirstLoaded) {
  6559.  
  6560.     let nodeName = (((evt||0).target||0).nodeName||'').toUpperCase()
  6561.     if (nodeName !== 'YTD-APP') return;
  6562.  
  6563.     let pageFetchedDataLocal = evt.detail;
  6564.  
  6565.     let d_page = ((pageFetchedDataLocal||0).pageData||0).page;
  6566.     if (!d_page) return;
  6567.  
  6568.     pageType = d_page;
  6569.  
  6570.     if (pageType !== 'watch') return
  6571.  
  6572.     let promiseChatDetails = null
  6573.  
  6574.     let isFirstLoad = firstLoadStatus & 8;
  6575.  
  6576.     if (isFirstLoad) {
  6577.       firstLoadStatus -= 8;
  6578.       document.addEventListener('load', iframeLoadHookA, capturePassive)
  6579.       ytMicroEventsInit();
  6580.     }
  6581.     // ytMicroEventsInit set
  6582.     variableResets();
  6583.  
  6584.     if (isFirstLoad) {
  6585.  
  6586.       if (ytEventSequence >= 2) {
  6587.         let docElement = document.documentElement
  6588.         if (docElement.hasAttribute('tabview-loaded')) {
  6589.           throw 'Tabview Youtube Duplicated';
  6590.         }
  6591.         docElement.setAttribute('tabview-loaded', '')
  6592.  
  6593.         Promise.resolve(docElement).then(docElement => {
  6594.           if (ytEventSequence >= 2) {
  6595.             docElement.dispatchEvent(new CustomEvent('tabview-ce-hack'))
  6596.             docElement = null
  6597.           }
  6598.         })
  6599.  
  6600.       }
  6601.     }
  6602.     // tabview-loaded delay set
  6603.  
  6604.     formatDates={}
  6605.     try{
  6606.       formatDates.publishDate = pageFetchedDataLocal.pageData.playerResponse.microformat.playerMicroformatRenderer.publishDate
  6607.     }catch(e){}
  6608.     // 2022-12-30
  6609.  
  6610.     try{
  6611.       formatDates.uploadDate = pageFetchedDataLocal.pageData.playerResponse.microformat.playerMicroformatRenderer.uploadDate
  6612.     }catch(e){}
  6613.     // 2022-12-30
  6614.  
  6615.     try{
  6616.       formatDates.publishDate2 = pageFetchedDataLocal.pageData.response.contents.twoColumnWatchNextResults.results.results.contents[0].videoPrimaryInfoRenderer.dateText.simpleText
  6617.     }catch(e){}
  6618.     // 2022/12/31
  6619.  
  6620.     if(typeof formatDates.publishDate2==='string' && formatDates.publishDate2 !== formatDates.publishDate){
  6621.       formatDates.publishDate = formatDates.publishDate2
  6622.       formatDates.uploadDate = null
  6623.     }
  6624.  
  6625.     try{
  6626.       formatDates.broadcastBeginAt = pageFetchedDataLocal.pageData.playerResponse.microformat.playerMicroformatRenderer.liveBroadcastDetails.startTimestamp
  6627.     }catch(e){}
  6628.     try{
  6629.       formatDates.broadcastEndAt = pageFetchedDataLocal.pageData.playerResponse.microformat.playerMicroformatRenderer.liveBroadcastDetails.endTimestamp
  6630.     }catch(e){}
  6631.     try{
  6632.       formatDates.isLiveNow = pageFetchedDataLocal.pageData.playerResponse.microformat.playerMicroformatRenderer.liveBroadcastDetails.isLiveNow
  6633.     }catch(e){}
  6634.  
  6635.     promiseChatDetails = new Promise(resolve => {
  6636.       if (ytEventSequence >= 2) {
  6637.         let liveChatRenderer = null;
  6638.         try {
  6639.           liveChatRenderer = pageFetchedDataLocal.pageData.response.contents.twoColumnWatchNextResults.conversationBar.liveChatRenderer
  6640.         } catch (e) { }
  6641.         chatroomDetails = liveChatRenderer ? extractInfoFromLiveChatRenderer(liveChatRenderer) : null;
  6642.         liveChatRenderer = null; // release memory for GC, just in case
  6643.       }
  6644.       resolve(0)
  6645.     })
  6646.  
  6647.     let ytdFlexyElm = document.querySelector('ytd-watch-flexy')
  6648.  
  6649.     if (!ytdFlexyElm) return;
  6650.  
  6651.  
  6652.     ytdFlexy = mWeakRef(ytdFlexyElm);
  6653.  
  6654.     ytdFlexyElm = null;
  6655.  
  6656.     Promise.resolve(0).then(() => {
  6657.  
  6658.       if (ytEventSequence >= 2 && pageRendered === 0) {
  6659.  
  6660.         const ytdFlexyElm = es.ytdFlexy; // shall be always non-null
  6661.         if (ytdFlexyElm) {
  6662.  
  6663.           let elmPL = document.createElement('tabview-view-ploader');
  6664.           pageRendered = 1;
  6665.           ytdFlexyElm.appendChild(elmPL);
  6666.           // pageRendered keeps at 1 if the video is continuously playing at the background
  6667.           // pageRendered would not be resolve but will reset for each change of video
  6668.  
  6669.         }
  6670.  
  6671.       }
  6672.  
  6673.     })
  6674.  
  6675.     let renderId = renderIdentifier
  6676.     renderDeferred.debounce(() => {
  6677.       if (renderId !== renderIdentifier) return
  6678.       if (ytEventSequence >= 2) {
  6679.         advanceFetch(); // at least one triggering at yt-page-data-fetched
  6680.       }
  6681.     });
  6682.  
  6683.     Promise.race([promiseChatDetails]).then(() => {
  6684.  
  6685.       const ytdFlexyElm = es.ytdFlexy;
  6686.       if (ytEventSequence >= 2 && ytdFlexyElm) {
  6687.         ytdFlexyElm.classList.toggle('tyt-chat-toggleable', !!chatroomDetails);
  6688.       }
  6689.  
  6690.     }).then(() => {
  6691.  
  6692.       if (ytEventSequence >= 2) {
  6693.  
  6694.         let tabsDeferredSess = pageSession.session();
  6695.         if (!scriptEnable && tabsDeferred.resolved) { }
  6696.         else tabsDeferred.debounce(() => {
  6697.  
  6698.           if (!tabsDeferredSess.isValid) return;
  6699.           tabsDeferredSess = null;
  6700.  
  6701.           if (ytEventSequence >= 2 && pageFetchedDataLocal !== null) {
  6702.             domInit_comments();
  6703.             newVideoPage(pageFetchedDataLocal);
  6704.             pageFetchedDataLocal = null;
  6705.           }
  6706.  
  6707.         });
  6708.  
  6709.       }
  6710.  
  6711.     })
  6712.  
  6713.   }
  6714.  
  6715.   let _isPageFirstLoaded = true
  6716.   let pageSeqMutex = new Mutex()
  6717.  
  6718.   function pageSeq1(evt) {
  6719.     _navigateLoadDT = 0
  6720.     if (ytEventSequence !== 1) {
  6721.       ytEventSequence = 1
  6722.       pageSeqMutex.lockWith(unlock=>{
  6723.         pageBeingInit();
  6724.         unlock();
  6725.       })
  6726.     }
  6727.   }
  6728.  
  6729.   function pageSeq2(evt) {
  6730.     _navigateLoadDT = 0
  6731.  
  6732.     if (ytEventSequence !== 1) {
  6733.       ytEventSequence = 1
  6734.       pageSeqMutex.lockWith(unlock=>{
  6735.         pageBeingInit();
  6736.         unlock();
  6737.       })
  6738.     }
  6739.     if (ytEventSequence === 1) {
  6740.       ytEventSequence = 2
  6741.  
  6742.       
  6743.       let mIsPageFirstLoaded = _isPageFirstLoaded
  6744.       pageType = null
  6745.       
  6746.       pageSeqMutex.lockWith(unlock=>{
  6747.         
  6748.         pageType = null
  6749.         mIsPageFirstLoaded && console.time("Tabview Youtube Load")
  6750.         pageBeingFetched(evt, mIsPageFirstLoaded)
  6751.         mIsPageFirstLoaded && console.timeEnd("Tabview Youtube Load")
  6752.         // ytMicroEventsInit set + tabview-loaded delay set
  6753.         new Promise(() => {
  6754.           if (ytEventSequence >= 2) {
  6755.             document.documentElement.classList.toggle('tabview-normal-player', pageType === 'watch');
  6756.           }
  6757.         })
  6758.         if (pageType !== 'watch') {
  6759.           ytdFlexy = null
  6760.           chatroomDetails = null
  6761.           Promise.resolve(0).then(() => {
  6762.             if (ytEventSequence >= 2) {
  6763.               variableResets();
  6764.               emptyCommentSection();
  6765.               _console.log(9360, 75);
  6766.               tabsDeferred.reset();
  6767.               _pageBeingInit();
  6768.               tabsDeferred.resolve(); // for page initialization
  6769.             }
  6770.           })
  6771.         }
  6772.  
  6773.         if (_updateTimeAccum > 0) {
  6774.           let currentVideo = document.querySelector('#movie_player video[src]')
  6775.           let keep_viTime = false
  6776.           if (currentVideo && currentVideo.readyState > currentVideo.HAVE_CURRENT_DATA && currentVideo.currentTime > 2.2) {
  6777.             // allow miniview browsing
  6778.             keep_viTime = true
  6779.           }
  6780.           if (!keep_viTime) {
  6781.             _viTimeNum = 200;
  6782.             _updateTimeAccum = 0;
  6783.             delete document.head.dataset.viTime;
  6784.           }
  6785.         }
  6786.  
  6787.         unlock();
  6788.       })
  6789.     }
  6790.  
  6791.   }
  6792.  
  6793.   function pageSeq3(evt) {
  6794.     _navigateLoadDT = 0
  6795.     
  6796.     if (ytEventSequence === 2) {
  6797.       ytEventSequence = 3
  6798.       
  6799.       let mIsPageFirstLoaded = _isPageFirstLoaded
  6800.       _isPageFirstLoaded = false
  6801.  
  6802.       pageSeqMutex.lockWith(unlock => {
  6803.         if (pageType === 'watch') {
  6804.           // ytMicroEventsInit set + tabview-loaded delay set
  6805.           onNavigationEndAsync(mIsPageFirstLoaded)
  6806.           unlock();
  6807.         }
  6808.       })
  6809.     }
  6810.   }
  6811.  
  6812.  
  6813.   document.addEventListener('yt-navigate-start', pageSeq1, bubblePassive)
  6814.   document.addEventListener('yt-navigate-cache', pageSeq1, bubblePassive)
  6815.   document.addEventListener('yt-navigate-redirect', pageSeq1, bubblePassive)
  6816.   document.addEventListener('yt-page-data-fetched', pageSeq2, bubblePassive)
  6817.   document.addEventListener("yt-navigate-finish", pageSeq3, bubblePassive)
  6818.   //yt-navigate-redirect
  6819.   //yt-page-data-fetched
  6820.   //yt-navigate-error
  6821.   //yt-navigate-start
  6822.   //yt-page-manager-navigate-start
  6823.   //yt-navigate
  6824.   //yt-navigate-cache
  6825.  
  6826.   globalHook('yt-page-data-fetched', generalLog901)
  6827.   //globalHook('yt-rendererstamper-finished',generalLog901)
  6828.   globalHook('yt-page-data-updated', generalLog901)
  6829.   globalHook('yt-player-updated', generalLog901)
  6830.   globalHook('yt-watch-comments-ready', generalLog901)
  6831.   globalHook('yt-page-type-changed', generalLog901)
  6832.   globalHook('data-changed', generalLog901)
  6833.   globalHook('yt-navigate-finish', generalLog901)
  6834.   globalHook('yt-navigate-redirect', generalLog901)
  6835.   globalHook('yt-navigate-error', generalLog901)
  6836.   globalHook('yt-navigate-start', generalLog901)
  6837.   globalHook('yt-page-manager-navigate-start', generalLog901)
  6838.   globalHook('yt-navigate', generalLog901)
  6839.   globalHook('yt-navigate-cache', generalLog901)
  6840.  
  6841.  
  6842.   // ---------------------------------------------------------------------------------------------
  6843.  
  6844.  
  6845.   function manualResizeT(){
  6846.  
  6847.     if (!scriptEnable) return;
  6848.     if (pageType !== 'watch') return;
  6849.     //lastResizeAt = Date.now();
  6850.  
  6851.     if((wls.layoutStatus & LAYOUT_FULLSCREEN) === LAYOUT_FULLSCREEN ){
  6852.  
  6853.     }else if ((wls.layoutStatus & LAYOUT_TWO_COLUMNS) === 0) {
  6854.       // single col
  6855.  
  6856.       setTimeout3(() => {
  6857.         singleColumnScrolling(true)
  6858.       })
  6859.  
  6860.     } else {
  6861.       // two cols
  6862.  
  6863.       updateFloatingSlider();
  6864.  
  6865.     }
  6866.  
  6867.  
  6868.   }
  6869.   //let lastResizeAt = 0;  
  6870.   let resizeCount = 0;
  6871.   window.addEventListener('resize', function (evt) {
  6872.  
  6873.     if (evt.isTrusted === true) { 
  6874.       //console.log(evt)
  6875.       let tcw = ++resizeCount;
  6876.       Promise.resolve(0).then(()=>{
  6877.         if (tcw !== resizeCount) return;
  6878.         setTimeout(() => {
  6879.           // avoid duplicate calling during resizing
  6880.           if (tcw !== resizeCount) return;
  6881.           
  6882.           resizeCount = 0;
  6883.           manualResizeT();
  6884.           dispatchCommentRowResize();
  6885.         }, 160);
  6886.       });
  6887.     }
  6888.  
  6889.   }, bubblePassive)
  6890.  
  6891.  
  6892.   document.addEventListener("tyt-chat-popup",(evt)=>{
  6893.  
  6894.  
  6895.     let detail =(evt||0).detail
  6896.     if(!detail) return
  6897.     const {popuped} = detail
  6898.     if(typeof popuped !=='boolean') return;
  6899.     
  6900.     let ytdFlexyElm = es.ytdFlexy
  6901.     if(!ytdFlexyElm) return
  6902.     
  6903.     ytdFlexyElm.classList.toggle('tyt-chat-popup', popuped)
  6904.     if(popuped===true){
  6905.       skipPopupChatChecking = false;
  6906.       ytBtnSetTheater()
  6907.     }else{
  6908.       skipPopupChatChecking = true;
  6909.       ytBtnCancelTheater()
  6910.     }
  6911.  
  6912.   })
  6913.  
  6914.   document.addEventListener("tabview-plugin-loaded",()=>{
  6915.  
  6916.     scriptletDeferred.resolve();
  6917.  
  6918.     if(MINIVIEW_BROWSER_ENABLE){
  6919.       document.dispatchEvent(new CustomEvent("tabview-miniview-browser-enable"));
  6920.     }
  6921.  
  6922.   }, false)
  6923.  
  6924.  
  6925.   document.documentElement.setAttribute('plugin-tabview-youtube', `${scriptVersionForExternal}`)
  6926.   if(document.documentElement.getAttribute('tabview-unwrapjs')){
  6927.     document.dispatchEvent(new CustomEvent("tabview-plugin-loaded"))
  6928.   }
  6929.  
  6930.  
  6931.   function nestedObjectFlatten(prefix, obj) {
  6932.     let ret = {};
  6933.     let _prefix = prefix ? `${prefix}.` : '';
  6934.     let isObject = (obj && typeof obj == 'object' && obj.constructor.name == 'Object');
  6935.     let isArray = (obj && typeof obj == 'object' && obj.constructor.name == 'Array');
  6936.     const f = (k, v) => {
  6937.       let isObject = (v && typeof v == 'object' && v.constructor.name == 'Object');
  6938.       let isArray = (v && typeof v == 'object' && v.constructor.name == 'Array');
  6939.       if (isObject || isArray) {
  6940.         let r = nestedObjectFlatten(k, v)
  6941.         for (const w in r) {
  6942.           ret[`${_prefix}${w}`] = r[w];
  6943.         }
  6944.       } else {
  6945.         ret[`${_prefix}${k}`] = v;
  6946.       }
  6947.     }
  6948.     if (isObject) {
  6949.       for (const k in obj) {
  6950.         let v = obj[k];
  6951.         f(k, v);
  6952.       }
  6953.     } else if (isArray) {
  6954.       let idx = 0;
  6955.       for (const v of obj) {
  6956.         let k = `[${idx}]`;
  6957.         f(k, v);
  6958.         idx++;
  6959.       }
  6960.     }
  6961.     return ret;
  6962.   }
  6963.  
  6964.   /*
  6965.  
  6966.   for(const p of document.querySelectorAll('ytd-watch-flexy *')){ let m = p.data; if(!m)continue; console.log(m)}
  6967.  
  6968.   function objec
  6969.  
  6970.   */
  6971.  
  6972.  
  6973.   //Object.keys($0).filter(key=>!(key in $0.constructor.prototype))
  6974.  
  6975.   //Object.getOwnPropertyNames(window).filter(k=>k.startsWith('HTML'))
  6976.   //Object.getOwnPropertyNames(window).filter(k=>k.startsWith('HTML')).filter(k=>$0 instanceof window[k])
  6977.  
  6978.  
  6979.   /* --------------------------- browser's bug in -webkit-box ----------------------------------------- */
  6980.  
  6981.   /*
  6982.    fix bug for comment section - version 1.8.7 
  6983.   This issue is the bug in browser's rendering
  6984.    I guess, this is due to the lines clamp with display:-webkit-box 
  6985.    use stupid coding to let it re-render when its content become visible
  6986.    
  6987.   /*
  6988.  
  6989.   ytd-expander[should-use-number-of-lines][collapsed] > #content.ytd-expander {
  6990.       color: var(--yt-spec-text-primary);
  6991.       display: -webkit-box;
  6992.       overflow: hidden;
  6993.       max-height: none;
  6994.       -webkit-box-orient: vertical;
  6995.       -webkit-line-clamp: var(--ytd-expander-max-lines, 4);
  6996.   }
  6997.  
  6998.   // v1.8.36 imposed a effective solution for fixing this bug
  6999.  
  7000.   */
  7001.  
  7002.   /* --------------------------- browser's bug in -webkit-box ----------------------------------------- */
  7003.  
  7004.  
  7005.   /**
  7006.    * 
  7007.  
  7008.  
  7009. f.initChildrenObserver=function(){var a=this;this.observer=new MutationObserver(function(){return a.childrenChanged()});
  7010. this.observer.observe(this.$.content,{subtree:!0,childList:!0,attributes:!0});this.childrenChanged()};
  7011. f.childrenChanged=function(){var a=this;this.alwaysToggleable?this.canToggle=this.alwaysToggleable:this.canToggleJobId||(this.canToggleJobId=window.requestAnimationFrame(function(){$h(function(){a.canToggleJobId=0;a.calculateCanCollapse()})}))};
  7012.  
  7013.  
  7014. f.onIronResize=function(){this.recomputeOnResize&&this.childrenChanged()};
  7015.  
  7016.  
  7017. onButtonClick_:function(){this.fire("yt-close-upsell-dialog")},
  7018. computeHasHeader_:function(a){return!!a.headerBackgroundImage}});var geb;var heb;var ieb;var jeb;var xI=function(){var a=L.apply(this,arguments)||this;a.alignAuto=!1;a.collapsed=!0;a.isToggled=!1;a.alwaysCollapsed=!1;a.canToggle=!0;a.collapsedHeight=80;a.disableToggle=!1;a.alwaysToggleable=!1;a.reversed=!1;a.shouldUseNumberOfLines=!1;a.recomputeOnResize=!1;a.canToggleJobId=0;return a};
  7019. n(xI,L);f=xI.prototype;f.alwaysToggleableChanged=function(){this.alwaysToggleable&&(this.canToggle=!0)};
  7020.  
  7021.  
  7022. f.calculateCanCollapse=function(){this.canToggle=this.shouldUseNumberOfLines?this.alwaysToggleable||this.$.content.offsetHeight<this.$.content.scrollHeight:this.alwaysToggleable||this.$.content.scrollHeight>this.collapsedHeight};
  7023. f.detachObserver=function(){this.observer&&this.observer.disconnect()};
  7024.  
  7025.    * 
  7026.    * 
  7027.    * 
  7028.    */
  7029.  
  7030.  
  7031. })();
  7032. console.timeEnd("Tabview Youtube Init Script")
  7033.  
  7034.  
  7035.  
  7036.  
  7037.  
  7038.  
  7039.  
  7040.  
  7041.  
  7042.  
  7043.  
  7044.  
  7045.  
  7046.  
  7047.  
  7048.  
  7049.  
  7050.  
  7051.  
  7052.  
  7053.  
  7054.  
  7055.  
  7056.  
  7057.  
  7058.  
  7059.  
  7060.  
  7061.  
  7062.  
  7063.  
  7064.  
  7065.  
  7066.  
  7067.  
  7068.  
  7069.  
  7070.     // https://github.com/cyfung1031/Tabview-Youtube/raw/main/js/content.js
  7071.  
  7072. }
  7073.  
  7074.  
  7075. ;!(function $$() {
  7076.     'use strict';
  7077.  
  7078.     if(document.documentElement==null) return window.requestAnimationFrame($$)
  7079.  
  7080.     const cssTxt = GM_getResourceText("contentCSS");
  7081.  
  7082.     function addStyle (styleText) {
  7083.       const styleNode = document.createElement('style');
  7084.       styleNode.type = 'text/css';
  7085.       styleNode.textContent = styleText;
  7086.       document.documentElement.appendChild(styleNode);
  7087.       return styleNode;
  7088.     }
  7089.  
  7090.     addStyle (cssTxt);
  7091.  
  7092.     main();
  7093.  
  7094.  
  7095.     // Your code here...
  7096. })();

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